schema

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 Go to latest Published: Dec 20, 2024 License: BSD-3-Clause Imports: 8 Imported by: 0

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Constants

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const Schema = `` /* 7000-byte string literal not displayed */

Variables

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Functions

This section is empty.

Types

type ChangelistRow 

type ChangelistRow struct {
	// ChangelistID is the fully qualified id of this changelist. "Fully qualified" means it has
	// the system as a prefix (e.g "gerrit_1234") which simplifies joining logic and ensures
	// uniqueness
	ChangelistID string `sql:"changelist_id STRING PRIMARY KEY"`
	// System is the Code Review System to which this changelist belongs.
	System string `sql:"system STRING NOT NULL"`
	// Status indicates if this CL is open or not.
	Status ChangelistStatus `sql:"status STRING NOT NULL"`
	// OwnerEmail is the email address of the CL's owner.
	OwnerEmail string `sql:"owner_email STRING NOT NULL"`
	// Subject is the first line of the CL's commit message (usually).
	Subject string `sql:"subject STRING NOT NULL"`
	// LastIngestedData indicates when Gold last saw data for this CL.
	LastIngestedData time.Time `sql:"last_ingested_data TIMESTAMP WITH TIME ZONE NOT NULL"`
	// contains filtered or unexported fields
}

func (ChangelistRow) GetPrimaryKeyCols 

func (r ChangelistRow) GetPrimaryKeyCols() []string

GetPrimaryKeyCols implements the sqltest.SQLExporter interface.

func (*ChangelistRow) ScanFrom 

func (r *ChangelistRow) ScanFrom(scan func(...interface{}) error) error

ScanFrom implements the sqltest.SQLScanner interface.

func (ChangelistRow) ToSQLRow 

func (r ChangelistRow) ToSQLRow() (colNames []string, colData []interface{})

ToSQLRow implements the sqltest.SQLExporter interface.

type ChangelistStatus 

type ChangelistStatus string
const (
	StatusOpen      ChangelistStatus = "open"
	StatusAbandoned ChangelistStatus = "abandoned"
	StatusLanded    ChangelistStatus = "landed"
)

type CommitID 

type CommitID string

CommitID is responsible for indicating when a commit happens in time. CommitIDs should be treated as ordered lexicographically, but need not be densely populated.

type CommitWithDataRow 

type CommitWithDataRow struct {
	// CommitID is a potentially arbitrary string. commit_ids will be treated as occurring in
	// lexicographical order.
	CommitID CommitID `sql:"commit_id STRING PRIMARY KEY"`
	// TileID is an integer that corresponds to the tile for which this commit belongs. Tiles are
	// intended to be about 100 commits wide, but this could vary slightly if commits are ingested
	// in not quite sequential order. Additionally, tile widths could change over time if necessary.
	// It is expected that tile_id be set the first time we see data from a given commit on the
	// primary branch and not changed after, even if the tile size used for an instance changes.
	TileID TileID `sql:"tile_id INT4 NOT NULL"`
}

CommitWithDataRow represents a commit that has produced some data on the primary branch. It is expected to be created during ingestion.

func (CommitWithDataRow) GetPrimaryKeyCols 

func (r CommitWithDataRow) GetPrimaryKeyCols() []string

GetPrimaryKeyCols implements the sqltest.SQLExporter interface.

func (CommitWithDataRow) RowsOrderBy 

func (r CommitWithDataRow) RowsOrderBy() string

RowsOrderBy implements the sqltest.RowsOrder interface to sort commits by CommitID.

func (*CommitWithDataRow) ScanFrom 

func (r *CommitWithDataRow) ScanFrom(scan func(...interface{}) error) error

ScanFrom implements the sqltest.SQLScanner interface.

func (CommitWithDataRow) ToSQLRow 

func (r CommitWithDataRow) ToSQLRow() (colNames []string, colData []interface{})

ToSQLRow implements the sqltest.SQLExporter interface.

type DeprecatedExpectationUndoRow 

type DeprecatedExpectationUndoRow struct {
	ID            int       `sql:"id SERIAL PRIMARY KEY"`
	ExpectationID string    `sql:"expectation_id STRING NOT NULL"`
	UserID        string    `sql:"user_id STRING NOT NULL"`
	TS            time.Time `sql:"ts TIMESTAMP WITH TIME ZONE NOT NULL"`
}

DeprecatedExpectationUndoRow represents an undo operation that we could not automatically apply during the transitional period of expectations. A human will manually apply these when removing the firestore implementation from the loop.

func (*DeprecatedExpectationUndoRow) ScanFrom 

func (r *DeprecatedExpectationUndoRow) ScanFrom(scan func(...interface{}) error) error

ScanFrom implements the sqltest.SQLScanner interface.

type DeprecatedIngestedFileRow 

type DeprecatedIngestedFileRow struct {
	// SourceFileID is the MD5 hash of the source file that has been ingested.
	SourceFileID SourceFileID `sql:"source_file_id BYTES PRIMARY KEY"`
	// SourceFile is the fully qualified name of the source file that was ingested, e.g.
	// "gs://bucket/2020/01/02/03/15/foo.json"
	SourceFile string `sql:"source_file STRING NOT NULL"`
	// LastIngested is the time at which this file was most recently read in and successfully
	// processed.
	LastIngested time.Time `sql:"last_ingested TIMESTAMP WITH TIME ZONE NOT NULL"`
}

func (*DeprecatedIngestedFileRow) ScanFrom 

func (r *DeprecatedIngestedFileRow) ScanFrom(scan func(...interface{}) error) error

ScanFrom implements the sqltest.SQLScanner interface.

type DiffMetricRow 

type DiffMetricRow struct {
	// LeftDigest represents one of the images compared.
	LeftDigest DigestBytes `sql:"left_digest BYTES"`
	// RightDigest represents the other image compared.
	RightDigest DigestBytes `sql:"right_digest BYTES"`
	// NumPixelsDiff represents the number of pixels that differ between the two images.
	NumPixelsDiff int `sql:"num_pixels_diff INT4 NOT NULL"`
	// PercentPixelsDiff is the percentage of pixels that are different.
	PercentPixelsDiff float32 `sql:"percent_pixels_diff FLOAT4 NOT NULL"`
	// MaxRGBADiffs is the maximum delta between the two images in the red, green, blue, and
	// alpha channels.
	MaxRGBADiffs [4]int `sql:"max_rgba_diffs INT2[] NOT NULL"`
	// MaxChannelDiff is max(MaxRGBADiffs). This is its own field because using max() on an array
	// field is not supported. TODO(kjlubick) could this be computed with array_upper()?
	MaxChannelDiff int `sql:"max_channel_diff INT2 NOT NULL"`
	// CombinedMetric is a value in [0, 10] that represents how large the diff is between two
	// images. It is based off the MaxRGBADiffs and PixelDiffPercent.
	CombinedMetric float32 `sql:"combined_metric FLOAT4 NOT NULL"`
	// DimensionsDiffer is true if the dimensions between the two images are different.
	DimensionsDiffer bool `sql:"dimensions_differ BOOL NOT NULL"`
	// Timestamp represents when this metric was computed or verified (i.e. still in use). This
	// allows for us to periodically clean up this large table.
	Timestamp time.Time `sql:"ts TIMESTAMP WITH TIME ZONE NOT NULL"`
	// contains filtered or unexported fields
}

DiffMetricRow represents the pixel-by-pixel comparison between two images (identified by their digests). To avoid having n^2 comparisons (where n is the number of unique digests ever seen), we only calculate diffs against recent images that are in the same grouping. These rows don't contain the grouping information for the following reasons: 1) regardless of which grouping or groupings an image may have been generated in, the difference between any two images is the same; 2) images can be produced by multiple groupings. To make certain queries easier, data for a given image pairing is inserted twice - once with A being Left, B being Right and once with A being Right and B being Left. See diff.go for more about how these fields are computed.

func (DiffMetricRow) GetPrimaryKeyCols 

func (r DiffMetricRow) GetPrimaryKeyCols() []string

GetPrimaryKeyCols implements the sqltest.SQLExporter interface.

func (*DiffMetricRow) ScanFrom 

func (r *DiffMetricRow) ScanFrom(scan func(...interface{}) error) error

ScanFrom implements the sqltest.SQLScanner interface.

func (DiffMetricRow) ToSQLRow 

func (r DiffMetricRow) ToSQLRow() (colNames []string, colData []interface{})

ToSQLRow implements the sqltest.SQLExporter interface.

type DigestBytes 

type DigestBytes []byte

type ExpectationDeltaRow 

type ExpectationDeltaRow struct {
	// ExpectationRecordID corresponds to the parent ExpectationRecordRow.
	ExpectationRecordID uuid.UUID `sql:"expectation_record_id UUID"`
	// GroupingID identifies the grouping that was triaged by this change. This is a foreign key
	// into the Groupings table.
	GroupingID GroupingID `sql:"grouping_id BYTES"`
	// Digest is the MD5 hash of the pixel data. It identifies the image that was triaged in a
	// given grouping.
	Digest DigestBytes `sql:"digest BYTES"`
	// LabelBefore is the label that was applied to this digest in this grouping before the
	// parent expectation event happened. By storing this, we can undo that event in the future.
	LabelBefore ExpectationLabel `sql:"label_before CHAR NOT NULL"`
	// LabelAfter is the label that was applied as a result of the parent expectation event.
	LabelAfter ExpectationLabel `sql:"label_after CHAR NOT NULL"`
	// contains filtered or unexported fields
}

func (ExpectationDeltaRow) GetPrimaryKeyCols 

func (r ExpectationDeltaRow) GetPrimaryKeyCols() []string

GetPrimaryKeyCols implements the sqltest.SQLExporter interface.

func (*ExpectationDeltaRow) ScanFrom 

func (r *ExpectationDeltaRow) ScanFrom(scan func(...interface{}) error) error

ScanFrom implements the sqltest.SQLScanner interface.

func (ExpectationDeltaRow) ToSQLRow 

func (r ExpectationDeltaRow) ToSQLRow() (colNames []string, colData []interface{})

ToSQLRow implements the sqltest.SQLExporter interface.

type ExpectationLabel 

type ExpectationLabel string
const (
	LabelUntriaged ExpectationLabel = "u"
	LabelPositive  ExpectationLabel = "p"
	LabelNegative  ExpectationLabel = "n"
)

func FromExpectationLabel 

func FromExpectationLabel(label expectations.Label) ExpectationLabel

func (ExpectationLabel) ToExpectation 

func (e ExpectationLabel) ToExpectation() expectations.Label

type ExpectationRecordRow 

type ExpectationRecordRow struct {
	// ExpectationRecordID is a unique ID for a triage event, which could impact one or more
	// digests across one or more groupings.
	ExpectationRecordID uuid.UUID `sql:"expectation_record_id UUID PRIMARY KEY DEFAULT gen_random_uuid()"`
	// BranchName identifies to which branch the triage event happened. Can be nil for the
	// primary branch.
	BranchName *string `sql:"branch_name STRING"`
	// UserName is the email address of the logged-on user who initiated the triage event.
	UserName string `sql:"user_name STRING NOT NULL"`
	// TriageTime is the time at which this event happened.
	TriageTime time.Time `sql:"triage_time TIMESTAMP WITH TIME ZONE NOT NULL"`
	// NumChanges is how many digests were affected. It corresponds to the number of
	// ExpectationDelta rows have this record as their parent. It is a denormalized field.
	NumChanges int `sql:"num_changes INT4 NOT NULL"`
	// contains filtered or unexported fields
}

func (ExpectationRecordRow) GetPrimaryKeyCols 

func (r ExpectationRecordRow) GetPrimaryKeyCols() []string

GetPrimaryKeyCols implements the sqltest.SQLExporter interface.

func (ExpectationRecordRow) RowsOrderBy 

func (r ExpectationRecordRow) RowsOrderBy() string

RowsOrderBy implements the sqltest.RowsOrder interface, sorting rows to have the most recent records first, with ties broken by num_changes and user_name

func (*ExpectationRecordRow) ScanFrom 

func (r *ExpectationRecordRow) ScanFrom(scan func(...interface{}) error) error

ScanFrom implements the sqltest.SQLScanner interface.

func (ExpectationRecordRow) ToSQLRow 

func (r ExpectationRecordRow) ToSQLRow() (colNames []string, colData []interface{})

ToSQLRow implements the sqltest.SQLExporter interface.

type ExpectationRow 

type ExpectationRow struct {
	// GroupingID identifies the grouping to which the triaged digest belongs. This is a foreign key
	// into the Groupings table.
	GroupingID GroupingID `sql:"grouping_id BYTES"`
	// Digest is the MD5 hash of the pixel data. It identifies the image that is currently triaged.
	Digest DigestBytes `sql:"digest BYTES"`
	// Label is the current label associated with the given digest in the given grouping.
	Label ExpectationLabel `sql:"label CHAR NOT NULL"`
	// ExpectationRecordID corresponds to most recent ExpectationRecordRow that set the given label.
	ExpectationRecordID *uuid.UUID `sql:"expectation_record_id UUID"`
	// contains filtered or unexported fields
}

ExpectationRow contains an entry for every recent digest+grouping pair. This includes untriaged digests, because that allows us to have an index against label and just extract the untriaged ones instead of having to do a LEFT JOIN and look for nulls (which is slow at scale).

func (ExpectationRow) GetPrimaryKeyCols 

func (r ExpectationRow) GetPrimaryKeyCols() []string

GetPrimaryKeyCols implements the sqltest.SQLExporter interface.

func (ExpectationRow) RowsOrderBy 

func (r ExpectationRow) RowsOrderBy() string

RowsOrderBy implements the sqltest.RowsOrder interface, sorting the rows first by digest, then by grouping id (which is a hash).

func (*ExpectationRow) ScanFrom 

func (r *ExpectationRow) ScanFrom(scan func(...interface{}) error) error

ScanFrom implements the sqltest.SQLScanner interface.

func (ExpectationRow) ToSQLRow 

func (r ExpectationRow) ToSQLRow() (colNames []string, colData []interface{})

ToSQLRow implements the sqltest.SQLExporter interface.

type GitCommitRow 

type GitCommitRow struct {
	// GitHash is the git hash of the commit.
	GitHash string `sql:"git_hash STRING PRIMARY KEY"`
	// CommitID is a potentially arbitrary string. It is a foreign key in the CommitsWithData table.
	CommitID CommitID `sql:"commit_id STRING NOT NULL"`
	// CommitTime is the timestamp associated with the commit.
	CommitTime time.Time `sql:"commit_time TIMESTAMP WITH TIME ZONE NOT NULL"`
	// AuthorEmail is the email address associated with the author.
	AuthorEmail string `sql:"author_email STRING NOT NULL"`
	// Subject is the subject line of the commit.
	Subject string `sql:"subject STRING NOT NULL"`
	// contains filtered or unexported fields
}

GitCommitRow represents a git commit that we may or may not have seen data for.

func (GitCommitRow) GetPrimaryKeyCols 

func (r GitCommitRow) GetPrimaryKeyCols() []string

GetPrimaryKeyCols implements the sqltest.SQLExporter interface.

func (GitCommitRow) RowsOrderBy 

func (r GitCommitRow) RowsOrderBy() string

RowsOrderBy implements the sqltest.RowsOrder interface to sort commits by CommitID.

func (*GitCommitRow) ScanFrom 

func (r *GitCommitRow) ScanFrom(scan func(...interface{}) error) error

ScanFrom implements the sqltest.SQLScanner interface.

func (GitCommitRow) ToSQLRow 

func (r GitCommitRow) ToSQLRow() (colNames []string, colData []interface{})

ToSQLRow implements the sqltest.SQLExporter interface.

type GroupingID 

type GroupingID []byte

type GroupingRow 

type GroupingRow struct {
	// GroupingID is the MD5 hash of the key/values belonging to the grouping, that is, the
	// mechanism by which we partition our test data into "things that should all look the same".
	// This is commonly corpus + test name, but could include things like the color_type (e.g.
	// RGB vs greyscale).
	GroupingID GroupingID `sql:"grouping_id BYTES PRIMARY KEY"`
	// Keys is a JSON representation of a map[string]string. The keys and values of that
	// map are the grouping.
	Keys paramtools.Params `sql:"keys JSONB NOT NULL"`
}

func (GroupingRow) GetPrimaryKeyCols 

func (r GroupingRow) GetPrimaryKeyCols() []string

GetPrimaryKeyCols implements the sqltest.SQLExporter interface.

func (*GroupingRow) ScanFrom 

func (r *GroupingRow) ScanFrom(scan func(...interface{}) error) error

ScanFrom implements the sqltest.SQLScanner interface.

func (GroupingRow) ToSQLRow 

func (r GroupingRow) ToSQLRow() (colNames []string, colData []interface{})

ToSQLRow implements the sqltest.SQLExporter interface.

type IgnoreRuleRow 

type IgnoreRuleRow struct {
	// IgnoreRuleID is the id for this rule.
	IgnoreRuleID uuid.UUID `sql:"ignore_rule_id UUID PRIMARY KEY DEFAULT gen_random_uuid()"`
	// CreatorEmail is the email address of the user who originally created this rule.
	CreatorEmail string `sql:"creator_email STRING NOT NULL"`
	// UpdatedEmail is the email address of the user who most recently updated this rule.
	UpdatedEmail string `sql:"updated_email STRING NOT NULL"`
	// Expires represents when this rule should be re-evaluated for validity.
	Expires time.Time `sql:"expires TIMESTAMP WITH TIME ZONE NOT NULL"`
	// Note is a comment explaining this rule. It typically links to a bug.
	Note string `sql:"note STRING"`
	// Query is a map[string][]string that describe which traces should be ignored.
	// Note that this can only apply to trace keys, not options.
	Query paramtools.ReadOnlyParamSet `sql:"query JSONB NOT NULL"`
}

func (IgnoreRuleRow) GetPrimaryKeyCols 

func (r IgnoreRuleRow) GetPrimaryKeyCols() []string

GetPrimaryKeyCols implements the sqltest.SQLExporter interface.

func (IgnoreRuleRow) RowsOrderBy 

func (r IgnoreRuleRow) RowsOrderBy() string

RowsOrderBy implements the sqltest.RowsOrder interface.

func (*IgnoreRuleRow) ScanFrom 

func (r *IgnoreRuleRow) ScanFrom(scan func(...interface{}) error) error

ScanFrom implements the sqltest.SQLScanner interface.

func (IgnoreRuleRow) ToSQLRow 

func (r IgnoreRuleRow) ToSQLRow() (colNames []string, colData []interface{})

ToSQLRow implements the sqltest.SQLExporter interface.

type MD5Hash 

type MD5Hash [md5.Size]byte

MD5Hash is a specialized type for an array of bytes representing an MD5Hash. We use MD5 hashes a lot because they are a deterministic way to generate primary keys, which allows us to more easily cache and deduplicate data when ingesting. Additionally, these hashes are somewhat space-efficient (compared to UUIDs) and allow us to not have too big of data when cross-referencing other tables.

type MetadataCommitRow 

type MetadataCommitRow struct {
	// CommitID is a potentially arbitrary string. It is a foreign key in the CommitsWithData table.
	CommitID CommitID `sql:"commit_id STRING PRIMARY KEY"`
	// CommitMetadata is an arbitrary string; For current implementations, it is a link to a GCS
	// file that has more information about the state of the repo when the data was generated.
	CommitMetadata string `sql:"commit_metadata STRING NOT NULL"`
}

func (MetadataCommitRow) GetPrimaryKeyCols 

func (r MetadataCommitRow) GetPrimaryKeyCols() []string

GetPrimaryKeyCols implements the sqltest.SQLExporter interface.

func (*MetadataCommitRow) ScanFrom 

func (r *MetadataCommitRow) ScanFrom(scan func(...interface{}) error) error

ScanFrom implements the sqltest.SQLScanner interface.

func (MetadataCommitRow) ToSQLRow 

func (r MetadataCommitRow) ToSQLRow() (colNames []string, colData []interface{})

ToSQLRow implements the sqltest.SQLExporter interface.

type NullableBool 

type NullableBool int
const (
	NBNull  NullableBool = 0
	NBFalse NullableBool = 1
	NBTrue  NullableBool = 2
)

func (NullableBool) ToSQL 

func (b NullableBool) ToSQL() *bool

ToSQL returns the nullable value as a type compatible with SQL backends.

type OptionsID 

type OptionsID []byte

type OptionsRow 

type OptionsRow struct {
	// OptionsID is the MD5 hash of the key/values that act as metadata and do not impact the
	// uniqueness of traces.
	OptionsID OptionsID `sql:"options_id BYTES PRIMARY KEY"`
	// Keys is a JSON representation of a map[string]string. The keys and values of that
	// map are the options.
	Keys paramtools.Params `sql:"keys JSONB NOT NULL"`
}

func (OptionsRow) GetPrimaryKeyCols 

func (r OptionsRow) GetPrimaryKeyCols() []string

GetPrimaryKeyCols implements the sqltest.SQLExporter interface.

func (*OptionsRow) ScanFrom 

func (r *OptionsRow) ScanFrom(scan func(...interface{}) error) error

ScanFrom implements the sqltest.SQLScanner interface.

func (OptionsRow) ToSQLRow 

func (r OptionsRow) ToSQLRow() (colNames []string, colData []interface{})

ToSQLRow implements the sqltest.SQLExporter interface.

type PatchsetRow 

type PatchsetRow struct {
	// PatchsetID is the fully qualified id of this patchset. "Fully qualified" means it has
	// the system as a prefix (e.g "gerrit_abcde") which simplifies joining logic and ensures
	// uniqueness.
	PatchsetID string `sql:"patchset_id STRING PRIMARY KEY"`
	// System is the Code Review System to which this patchset belongs.
	System string `sql:"system STRING NOT NULL"`
	// ChangelistID refers to the parent CL.
	ChangelistID string `sql:"changelist_id STRING NOT NULL REFERENCES Changelists (changelist_id)"`
	// Order is a 1 indexed number telling us where this PS fits in time.
	Order int `sql:"ps_order INT2 NOT NULL"`
	// GitHash is the hash associated with the patchset. For many CRS, it is the same as the
	// unqualified PatchsetID.
	GitHash string `sql:"git_hash STRING NOT NULL"`
	// CommentedOnCL keeps track of if Gold has commented on the CL indicating there are digests
	// that need human attention (e.g. there are non-flaky, untriaged, and unignored digests).
	// We should comment on a CL at most once per Patchset.
	CommentedOnCL bool `sql:"commented_on_cl BOOL NOT NULL"`
	// Created is the timestamp that this Patchset was created. It is used to determine
	// "most recent" Patchset and is provided by the CodeReviewSystem. It can be null for data that
	// was ingested before we decided to add this (skbug.com/12093)
	Created time.Time `sql:"created_ts TIMESTAMP WITH TIME ZONE"`
	// contains filtered or unexported fields
}

func (PatchsetRow) GetPrimaryKeyCols 

func (r PatchsetRow) GetPrimaryKeyCols() []string

GetPrimaryKeyCols implements the sqltest.SQLExporter interface.

func (*PatchsetRow) ScanFrom 

func (r *PatchsetRow) ScanFrom(scan func(...interface{}) error) error

ScanFrom implements the sqltest.SQLScanner interface.

func (PatchsetRow) ToSQLRow 

func (r PatchsetRow) ToSQLRow() (colNames []string, colData []interface{})

ToSQLRow implements the sqltest.SQLExporter interface.

type PrimaryBranchDiffCalculationRow 

type PrimaryBranchDiffCalculationRow struct {
	// GroupingID is the grouping for which we should compute diffs.
	GroupingID GroupingID `sql:"grouping_id BYTES PRIMARY KEY"`
	// LastCalculated is the timestamp at which we last calculated diffs for the grouping.
	LastCalculated time.Time `sql:"last_calculated_ts TIMESTAMP WITH TIME ZONE NOT NULL"`
	// CalculationLeaseEnds is set to a future time when a worker starts computing diffs on this
	// grouping. It allows workers to not do the same computation at the same time.
	CalculationLeaseEnds time.Time `sql:"calculation_lease_ends TIMESTAMP WITH TIME ZONE NOT NULL"`
	// contains filtered or unexported fields
}

PrimaryBranchDiffCalculationRow represents a grouping for which we need to compute diffs using digests seen on the primary branch.

func (PrimaryBranchDiffCalculationRow) GetPrimaryKeyCols 

func (r PrimaryBranchDiffCalculationRow) GetPrimaryKeyCols() []string

GetPrimaryKeyCols implements the sqltest.SQLExporter interface.

func (*PrimaryBranchDiffCalculationRow) ScanFrom 

func (r *PrimaryBranchDiffCalculationRow) ScanFrom(scan func(...interface{}) error) error

ScanFrom implements the sqltest.SQLScanner interface.

func (PrimaryBranchDiffCalculationRow) ToSQLRow 

func (r PrimaryBranchDiffCalculationRow) ToSQLRow() (colNames []string, colData []interface{})

ToSQLRow implements the sqltest.SQLExporter interface.

type PrimaryBranchParamRow 

type PrimaryBranchParamRow struct {
	// TileID indicates which tile the given Key and Value were seen on in the primary branch.
	// This is a foreign key into the Commits table.
	TileID TileID `sql:"tile_id INT4"`
	// Key is the key of a trace key or option.
	Key string `sql:"key STRING"`
	// Value is the value associated with the key.
	Value string `sql:"value STRING"`
	// contains filtered or unexported fields
}

PrimaryBranchParamRow corresponds to a given key/value pair that was seen within a range (tile) of commits. Originally, we had done a join between Traces and TraceValues to find the params where commit_id was in a given range. However, this took several minutes when there were 1M+ traces per commit. This table is effectively an index for getting just that data. Note, this contains Keys. TODO(kjlubick) Add another table to hold Options, so we can distinguish between the two 

and properly search by them.

func (PrimaryBranchParamRow) GetPrimaryKeyCols 

func (r PrimaryBranchParamRow) GetPrimaryKeyCols() []string

GetPrimaryKeyCols implements the sqltest.SQLExporter interface.

func (PrimaryBranchParamRow) RowsOrderBy 

func (r PrimaryBranchParamRow) RowsOrderBy() string

RowsOrderBy implements the sqltest.RowsOrder interface.

func (*PrimaryBranchParamRow) ScanFrom 

func (r *PrimaryBranchParamRow) ScanFrom(scan func(...interface{}) error) error

ScanFrom implements the sqltest.SQLScanner interface.

func (PrimaryBranchParamRow) ToSQLRow 

func (r PrimaryBranchParamRow) ToSQLRow() (colNames []string, colData []interface{})

ToSQLRow implements the sqltest.SQLExporter interface.

type ProblemImageRow 

type ProblemImageRow struct {
	// Digest is the identifier of an image we had a hard time downloading or decoding while
	// computing the diffs. This is a string because it may be a malformed digest.
	Digest string `sql:"digest STRING PRIMARY KEY"`
	// NumErrors counts the number of times this digest has been the cause of an error.
	NumErrors int `sql:"num_errors INT2 NOT NULL"`
	// LatestError is the string content of the last error associated with this digest.
	LatestError string `sql:"latest_error STRING NOT NULL"`
	// ErrorTS is the last time we had an error on this digest.
	ErrorTS time.Time `sql:"error_ts TIMESTAMP WITH TIME ZONE NOT NULL"`
}

func (ProblemImageRow) GetPrimaryKeyCols 

func (r ProblemImageRow) GetPrimaryKeyCols() []string

GetPrimaryKeyCols implements the sqltest.SQLExporter interface.

func (ProblemImageRow) RowsOrderBy 

func (r ProblemImageRow) RowsOrderBy() string

RowsOrderBy implements the sqltest.RowsOrder interface.

func (*ProblemImageRow) ScanFrom 

func (r *ProblemImageRow) ScanFrom(scan func(...interface{}) error) error

ScanFrom implements the sqltest.SQLScanner interface.

func (ProblemImageRow) ToSQLRow 

func (r ProblemImageRow) ToSQLRow() (colNames []string, colData []interface{})

ToSQLRow implements the sqltest.SQLExporter interface.

type SecondaryBranchDiffCalculationRow 

type SecondaryBranchDiffCalculationRow struct {
	// BranchName is a something like "gerrit_12345" or "chrome_m86" to identify the branch.
	BranchName string `sql:"branch_name STRING"`
	// GroupingID identifies the grouping to which the triaged digest belongs. This is a foreign key
	// into the Groupings table.
	GroupingID GroupingID `sql:"grouping_id BYTES"`
	// LastUpdated is the timestamp for which the most recent data was uploaded to the branch.
	LastUpdated time.Time `sql:"last_updated_ts TIMESTAMP WITH TIME ZONE NOT NULL"`
	// DigestsNotOnPrimary is a list of extra digests that do not appear on the primary branch but
	// do appear on the secondary branch. It should not be empty - if it were to be empty, the
	// normal diff computation on the primary branch would be sufficient to handle all diffs.
	DigestsNotOnPrimary []types.Digest `sql:"digests STRING[] NOT NULL"`
	// LastCalculated is the timestamp at which we last calculated diffs for the grouping.
	LastCalculated time.Time `sql:"last_calculated_ts TIMESTAMP WITH TIME ZONE NOT NULL"`
	// CalculationLeaseEnds is set to a future time when a worker starts computing diffs on this
	// grouping. It allows workers to not do the same computation at the same time.
	CalculationLeaseEnds time.Time `sql:"calculation_lease_ends TIMESTAMP WITH TIME ZONE NOT NULL"`
	// contains filtered or unexported fields
}

SecondaryBranchDiffCalculationRow represents a grouping for a CL for which we need to compute diffs for using digests from that CL as well as the digests on the primary branch.

func (SecondaryBranchDiffCalculationRow) GetPrimaryKeyCols 

func (r SecondaryBranchDiffCalculationRow) GetPrimaryKeyCols() []string

GetPrimaryKeyCols implements the sqltest.SQLExporter interface.

func (*SecondaryBranchDiffCalculationRow) ScanFrom 

func (r *SecondaryBranchDiffCalculationRow) ScanFrom(scan func(...interface{}) error) error

ScanFrom implements the sqltest.SQLScanner interface.

func (SecondaryBranchDiffCalculationRow) ToSQLRow 

func (r SecondaryBranchDiffCalculationRow) ToSQLRow() (colNames []string, colData []interface{})

ToSQLRow implements the sqltest.SQLExporter interface.

type SecondaryBranchExpectationRow 

type SecondaryBranchExpectationRow struct {
	// BranchName is a something like "gerrit_12345" or "chrome_m86" to identify the branch.
	BranchName string `sql:"branch_name STRING"`
	// GroupingID identifies the grouping to which the triaged digest belongs. This is a foreign key
	// into the Groupings table.
	GroupingID GroupingID `sql:"grouping_id BYTES"`
	// Digest is the MD5 hash of the pixel data. It identifies the image that is currently triaged.
	Digest DigestBytes `sql:"digest BYTES"`
	// Label is the current label associated with the given digest in the given grouping.
	Label ExpectationLabel `sql:"label CHAR NOT NULL"`
	// ExpectationRecordID corresponds to most recent ExpectationRecordRow that set the given label.
	// Unlike the primary branch, this can never be nil/null because we only keep track of
	// secondary branch expectations for triaged events.
	ExpectationRecordID uuid.UUID `sql:"expectation_record_id UUID NOT NULL"`
	// contains filtered or unexported fields
}

SecondaryBranchExpectationRow responds to a new expectation rule applying to a single Changelist. We save expectations per Changelist to avoid the extra effort having having to re-triage everything if a new Patchset was updated that fixes something slightly.

func (SecondaryBranchExpectationRow) GetPrimaryKeyCols 

func (r SecondaryBranchExpectationRow) GetPrimaryKeyCols() []string

GetPrimaryKeyCols implements the sqltest.SQLExporter interface.

func (*SecondaryBranchExpectationRow) ScanFrom 

func (r *SecondaryBranchExpectationRow) ScanFrom(scan func(...interface{}) error) error

ScanFrom implements the sqltest.SQLScanner interface.

func (SecondaryBranchExpectationRow) ToSQLRow 

func (r SecondaryBranchExpectationRow) ToSQLRow() (colNames []string, colData []interface{})

ToSQLRow implements the sqltest.SQLExporter interface.

type SecondaryBranchParamRow 

type SecondaryBranchParamRow struct {
	// BranchName is a something like "gerrit_12345" or "chrome_m86" to identify the branch.
	BranchName string `sql:"branch_name STRING"`
	// VersionName is something like the patchset id or a branch commit hash to identify when
	// along the branch the data happened.
	VersionName string `sql:"version_name STRING"`
	// Key is the key of a trace key or option.
	Key string `sql:"key STRING"`
	// Value is the value associated with the key.
	Value string `sql:"value STRING"`
	// contains filtered or unexported fields
}

SecondaryBranchParamRow corresponds to a given key/value pair that was seen in data from a specific patchset or commit on a branch.

func (SecondaryBranchParamRow) GetPrimaryKeyCols 

func (r SecondaryBranchParamRow) GetPrimaryKeyCols() []string

GetPrimaryKeyCols implements the sqltest.SQLExporter interface.

func (*SecondaryBranchParamRow) ScanFrom 

func (r *SecondaryBranchParamRow) ScanFrom(scan func(...interface{}) error) error

ScanFrom implements the sqltest.SQLScanner interface.

func (SecondaryBranchParamRow) ToSQLRow 

func (r SecondaryBranchParamRow) ToSQLRow() (colNames []string, colData []interface{})

ToSQLRow implements the sqltest.SQLExporter interface.

type SecondaryBranchValueRow 

type SecondaryBranchValueRow struct {
	// BranchName is a something like "gerrit_12345" or "chrome_m86" to identify the branch.
	BranchName string `sql:"branch_name STRING"`
	// VersionName is something like the patchset id or a branch commit hash to identify when
	// along the branch the data happened.
	VersionName string `sql:"version_name STRING"`
	// TraceID is the MD5 hash of the keys and values describing how this data point (i.e. the
	// Digest) was drawn. This is a foreign key into the Traces table.
	TraceID TraceID `sql:"secondary_branch_trace_id BYTES"`
	// Digest is the MD5 hash of the pixel data; this is "what was drawn" at this point in time
	// (specified by CommitID) and by the machine (specified by TraceID).
	Digest DigestBytes `sql:"digest BYTES NOT NULL"`
	// GroupingID is the MD5 hash of the key/values belonging to the grouping (e.g. corpus +
	// test name). If the grouping changes, this would require changing the entire column here and
	// in several other tables. In theory, changing the grouping should be done very rarely. This
	// is a foreign key into the Groupings table.
	GroupingID GroupingID `sql:"grouping_id BYTES NOT NULL"`
	// OptionsID is the MD5 hash of the key/values that belong to the options. Options do not impact
	// the TraceID and thus act as metadata. This is a foreign key into the Options table.
	OptionsID OptionsID `sql:"options_id BYTES NOT NULL"`
	// SourceFileID is the MD5 hash of the source file that produced this data point. This is a
	// foreign key into the SourceFiles table.
	SourceFileID SourceFileID `sql:"source_file_id BYTES NOT NULL"`
	// TryjobID corresponds to the latest tryjob (if any) that produced this data. When/if we
	// support branches, this may be null, e.g. data coming from chrome_m86.
	TryjobID string `sql:"tryjob_id STRING"`
	// contains filtered or unexported fields
}

SecondaryBranchValueRow corresponds to a data point produced by a changelist or on a branch.

func (SecondaryBranchValueRow) GetPrimaryKeyCols 

func (r SecondaryBranchValueRow) GetPrimaryKeyCols() []string

GetPrimaryKeyCols implements the sqltest.SQLExporter interface.

func (*SecondaryBranchValueRow) ScanFrom 

func (r *SecondaryBranchValueRow) ScanFrom(scan func(...interface{}) error) error

ScanFrom implements the sqltest.SQLScanner interface.

func (SecondaryBranchValueRow) ToSQLRow 

func (r SecondaryBranchValueRow) ToSQLRow() (colNames []string, colData []interface{})

ToSQLRow implements the sqltest.SQLExporter interface.

type SourceFileID 

type SourceFileID []byte

type SourceFileRow 

type SourceFileRow struct {
	// SourceFileID is the MD5 hash of the source file that has been ingested.
	SourceFileID SourceFileID `sql:"source_file_id BYTES PRIMARY KEY"`
	// SourceFile is the fully qualified name of the source file that was ingested, e.g.
	// "gs://bucket/2020/01/02/03/15/foo.json"
	SourceFile string `sql:"source_file STRING NOT NULL"`
	// LastIngested is the time at which this file was most recently read in and successfully
	// processed.
	LastIngested time.Time `sql:"last_ingested TIMESTAMP WITH TIME ZONE NOT NULL"`
}

func (SourceFileRow) GetPrimaryKeyCols 

func (r SourceFileRow) GetPrimaryKeyCols() []string

GetPrimaryKeyCols implements the sqltest.SQLExporter interface.

func (SourceFileRow) RowsOrderBy 

func (r SourceFileRow) RowsOrderBy() string

RowsOrderBy implements the sqltest.RowsOrder interface.

func (*SourceFileRow) ScanFrom 

func (r *SourceFileRow) ScanFrom(scan func(...interface{}) error) error

ScanFrom implements the sqltest.SQLScanner interface.

func (SourceFileRow) ToSQLRow 

func (r SourceFileRow) ToSQLRow() (colNames []string, colData []interface{})

ToSQLRow implements the sqltest.SQLExporter interface.

type Tables 

type Tables struct {
	Changelists                        []ChangelistRow                     `sql_backup:"weekly"`
	CommitsWithData                    []CommitWithDataRow                 `sql_backup:"daily"`
	DiffMetrics                        []DiffMetricRow                     `sql_backup:"monthly"`
	ExpectationDeltas                  []ExpectationDeltaRow               `sql_backup:"daily"`
	ExpectationRecords                 []ExpectationRecordRow              `sql_backup:"daily"`
	Expectations                       []ExpectationRow                    `sql_backup:"daily"`
	GitCommits                         []GitCommitRow                      `sql_backup:"daily"`
	Groupings                          []GroupingRow                       `sql_backup:"monthly"`
	IgnoreRules                        []IgnoreRuleRow                     `sql_backup:"daily"`
	MetadataCommits                    []MetadataCommitRow                 `sql_backup:"daily"`
	Options                            []OptionsRow                        `sql_backup:"monthly"`
	Patchsets                          []PatchsetRow                       `sql_backup:"weekly"`
	PrimaryBranchDiffCalculationWork   []PrimaryBranchDiffCalculationRow   `sql_backup:"none"`
	PrimaryBranchParams                []PrimaryBranchParamRow             `sql_backup:"monthly"`
	ProblemImages                      []ProblemImageRow                   `sql_backup:"none"`
	SecondaryBranchDiffCalculationWork []SecondaryBranchDiffCalculationRow `sql_backup:"none"`
	SecondaryBranchExpectations        []SecondaryBranchExpectationRow     `sql_backup:"daily"`
	SecondaryBranchParams              []SecondaryBranchParamRow           `sql_backup:"monthly"`
	SecondaryBranchValues              []SecondaryBranchValueRow           `sql_backup:"monthly"`
	SourceFiles                        []SourceFileRow                     `sql_backup:"monthly"`
	TiledTraceDigests                  []TiledTraceDigestRow               `sql_backup:"monthly"`
	TraceValues                        []TraceValueRow                     `sql_backup:"monthly"`
	Traces                             []TraceRow                          `sql_backup:"monthly"`
	TrackingCommits                    []TrackingCommitRow                 `sql_backup:"daily"`
	Tryjobs                            []TryjobRow                         `sql_backup:"weekly"`
	ValuesAtHead                       []ValueAtHeadRow                    `sql_backup:"monthly"`

	// DeprecatedIngestedFiles allows us to keep track of files ingested with the old FS/BT ways
	// until all the SQL ingestion is ready.
	DeprecatedIngestedFiles    []DeprecatedIngestedFileRow    `sql_backup:"daily"`
	DeprecatedExpectationUndos []DeprecatedExpectationUndoRow `sql_backup:"daily"`
}

Tables represents all SQL tables used by Gold. We define them as Go structs so that we can more easily generate test data (see sql/databuilder). With the following command, the struct is turned into an actual SQL statement. Note: If a table is added/removed/renamed, it is important to re-run //golden/cmd/sqlinit for all instances to make sure the backup schedules continue to work (they will fail if a table is missing or silently not backup new tables).

type TileID 

type TileID int

TileID is a mechanism for batching together data to speed up queries. A tile will consist of a configurable number of commits with data.

type TiledTraceDigestRow 

type TiledTraceDigestRow struct {
	// TraceID is the MD5 hash of the keys and values describing how this data point (i.e. the
	// Digest) was drawn. This is a foreign key into the Traces table.
	TraceID TraceID `sql:"trace_id BYTES"`
	// TileID represents the tile for this row.
	TileID TileID `sql:"tile_id INT4"`
	// Digest is the MD5 hash of the pixel data; this is "what was drawn" at least once in the tile
	// specified by StartCommitID and by the machine (specified by TraceID).
	Digest DigestBytes `sql:"digest BYTES NOT NULL"`
	// GroupingID is the grouping of the trace.
	GroupingID GroupingID `sql:"grouping_id BYTES NOT NULL"`
	// contains filtered or unexported fields
}

TiledTraceDigestRow corresponds to a given trace producing a given digest within a range (tile) of commits. Originally, we did a SELECT DISTINCT over TraceValues, but that was too slow for many queries when the number of TraceValues was high.

func (TiledTraceDigestRow) GetPrimaryKeyCols 

func (r TiledTraceDigestRow) GetPrimaryKeyCols() []string

GetPrimaryKeyCols implements the sqltest.SQLExporter interface.

func (TiledTraceDigestRow) RowsOrderBy 

func (r TiledTraceDigestRow) RowsOrderBy() string

RowsOrderBy implements the sqltest.RowsOrder interface.

func (*TiledTraceDigestRow) ScanFrom 

func (r *TiledTraceDigestRow) ScanFrom(scan func(...interface{}) error) error

ScanFrom implements the sqltest.SQLScanner interface.

func (TiledTraceDigestRow) ToSQLRow 

func (r TiledTraceDigestRow) ToSQLRow() (colNames []string, colData []interface{})

ToSQLRow implements the sqltest.SQLExporter interface.

type TraceID 

type TraceID []byte

TraceID and the other related types are declared as byte slices instead of MD5Hash because

  1. we want to avoid copying around the the array data every time (reminder: in Golang, arrays are passed by value); and
  2. passing arrays into the pgx driver is a little awkward (it only accepts slices so we would have to turn the arrays into slices before passing in and if we forget, it's a runtime error).

type TraceRow 

type TraceRow struct {
	// TraceID is the MD5 hash of the keys field.
	TraceID TraceID `sql:"trace_id BYTES PRIMARY KEY"`
	// Corpus is the value associated with the "source_type" key. It is its own field for easier
	// searches and joins.
	Corpus string `sql:"corpus STRING AS (keys->>'source_type') STORED NOT NULL"`
	// GroupingID is the MD5 hash of the subset of keys that make up the grouping. It is its own
	// field for easier searches and joins. This is a foreign key into the Groupings table.
	GroupingID GroupingID `sql:"grouping_id BYTES NOT NULL"`
	// Keys is a JSON representation of a map[string]string. The keys and values of that
	// map describe how a series of data points were created. We store this as a JSON map because
	// CockroachDB supports searching for traces by key/values in this field.
	Keys paramtools.Params `sql:"keys JSONB NOT NULL"`
	// MatchesAnyIgnoreRule is true if this trace is matched by any of the ignore rules. If true,
	// this trace will be ignored from most queries by default. This is stored here because
	// recalculating it on the fly is too expensive and only needs updating if an ignore rule is
	// changed. There is a background process that computes this field for any traces with this
	// unset (i.e. NULL).
	MatchesAnyIgnoreRule NullableBool `sql:"matches_any_ignore_rule BOOL"`
	// contains filtered or unexported fields
}

func (TraceRow) GetPrimaryKeyCols 

func (r TraceRow) GetPrimaryKeyCols() []string

GetPrimaryKeyCols implements the sqltest.SQLExporter interface.

func (TraceRow) RowsOrderBy 

func (r TraceRow) RowsOrderBy() string

RowsOrderBy implements the sqltest.RowsOrder interface to sort traces by test name.

func (*TraceRow) ScanFrom 

func (r *TraceRow) ScanFrom(scan func(...interface{}) error) error

ScanFrom implements the sqltest.SQLScanner interface.

func (TraceRow) ToSQLRow 

func (r TraceRow) ToSQLRow() (colNames []string, colData []interface{})

ToSQLRow implements the sqltest.SQLExporter interface.

type TraceValueRow 

type TraceValueRow struct {
	// Shard is a small piece of the trace id to slightly break up trace data. TODO(kjlubick) could
	//   this be a computed column?
	Shard byte `sql:"shard INT2"`
	// TraceID is the MD5 hash of the keys and values describing how this data point (i.e. the
	// Digest) was drawn. This is a foreign key into the Traces table.
	TraceID TraceID `sql:"trace_id BYTES"`
	// CommitID represents when in time this data was drawn. This is a foreign key into the
	// CommitIDs table.
	CommitID CommitID `sql:"commit_id STRING"`
	// Digest is the MD5 hash of the pixel data; this is "what was drawn" at this point in time
	// (specified by CommitID) and by the machine (specified by TraceID).
	Digest DigestBytes `sql:"digest BYTES NOT NULL"`
	// GroupingID is the MD5 hash of the key/values belonging to the grouping (e.g. corpus +
	// test name). If the grouping changes, this would require changing the entire column here and
	// in several other tables. In theory, changing the grouping should be done very rarely. This
	// is a foreign key into the Groupings table.
	GroupingID GroupingID `sql:"grouping_id BYTES NOT NULL"`
	// OptionsID is the MD5 hash of the key/values that belong to the options. Options do not impact
	// the TraceID and thus act as metadata. This is a foreign key into the Options table.
	OptionsID OptionsID `sql:"options_id BYTES NOT NULL"`
	// SourceFileID is the MD5 hash of the source file that produced this data point. This is a
	// foreign key into the SourceFiles table.
	SourceFileID SourceFileID `sql:"source_file_id BYTES NOT NULL"`
	// contains filtered or unexported fields
}

func (TraceValueRow) GetPrimaryKeyCols 

func (r TraceValueRow) GetPrimaryKeyCols() []string

GetPrimaryKeyCols implements the sqltest.SQLExporter interface.

func (*TraceValueRow) ScanFrom 

func (r *TraceValueRow) ScanFrom(scan func(...interface{}) error) error

ScanFrom implements the sqltest.SQLScanner interface.

func (TraceValueRow) ToSQLRow 

func (r TraceValueRow) ToSQLRow() (colNames []string, colData []interface{})

ToSQLRow implements the sqltest.SQLExporter interface.

type TrackingCommitRow 

type TrackingCommitRow struct {
	// Repo is the url of the repo we are tracking
	Repo string `sql:"repo STRING PRIMARY KEY"`
	// LastGitHash is the git hash of the commit that we know landed most recently.
	LastGitHash string `sql:"last_git_hash STRING NOT NULL"`
}

TrackingCommitRow represents a repo for which we have checked to see if the commits landed correspond to any Changelists.

func (TrackingCommitRow) GetPrimaryKeyCols 

func (r TrackingCommitRow) GetPrimaryKeyCols() []string

GetPrimaryKeyCols implements the sqltest.SQLExporter interface.

func (*TrackingCommitRow) ScanFrom 

func (r *TrackingCommitRow) ScanFrom(scan func(...interface{}) error) error

ScanFrom implements the sqltest.SQLScanner interface.

func (TrackingCommitRow) ToSQLRow 

func (r TrackingCommitRow) ToSQLRow() (colNames []string, colData []interface{})

ToSQLRow implements the sqltest.SQLExporter interface.

type TryjobRow 

type TryjobRow struct {
	// TryjobID is the fully qualified id of this tryjob. "Fully qualified" means it has the system
	// as a prefix (e.g "buildbucket_1234") which simplifies joining logic and ensures uniqueness.
	TryjobID string `sql:"tryjob_id STRING PRIMARY KEY"`
	// System is the Continuous Integration System to which this tryjob belongs.
	System string `sql:"system STRING NOT NULL"`
	// ChangelistID refers to the CL for which this Tryjob produced data.
	ChangelistID string `sql:"changelist_id STRING NOT NULL REFERENCES Changelists (changelist_id)"`
	// PatchsetID refers to the PS for which this Tryjob produced data.
	PatchsetID string `sql:"patchset_id STRING NOT NULL REFERENCES Patchsets (patchset_id)"`
	// DisplayName is a human readable name for this Tryjob.
	DisplayName string `sql:"display_name STRING NOT NULL"`
	// LastIngestedData indicates when Gold last saw data from this Tryjob.
	LastIngestedData time.Time `sql:"last_ingested_data TIMESTAMP WITH TIME ZONE NOT NULL"`
	// contains filtered or unexported fields
}

func (TryjobRow) GetPrimaryKeyCols 

func (r TryjobRow) GetPrimaryKeyCols() []string

GetPrimaryKeyCols implements the sqltest.SQLExporter interface.

func (*TryjobRow) ScanFrom 

func (r *TryjobRow) ScanFrom(scan func(...interface{}) error) error

ScanFrom implements the sqltest.SQLScanner interface.

func (TryjobRow) ToSQLRow 

func (r TryjobRow) ToSQLRow() (colNames []string, colData []interface{})

ToSQLRow implements the sqltest.SQLExporter interface.

type ValueAtHeadRow 

type ValueAtHeadRow struct {
	// TraceID is the MD5 hash of the keys and values describing how this data point (i.e. the
	// Digest) was drawn. This is a foreign key into the Traces table.
	TraceID TraceID `sql:"trace_id BYTES PRIMARY KEY"`
	// MostRecentCommitID represents when in time this data was drawn. This is a foreign key into
	// the CommitIDs table.
	MostRecentCommitID CommitID `sql:"most_recent_commit_id STRING NOT NULL"`
	// Digest is the MD5 hash of the pixel data; this is "what was drawn" at this point in time
	// (specified by MostRecentCommitID) and by the machine (specified by TraceID).
	Digest DigestBytes `sql:"digest BYTES NOT NULL"`
	// OptionsID is the MD5 hash of the key/values that belong to the options. Options do not impact
	// the TraceID and thus act as metadata. This is a foreign key into the Options table.
	OptionsID OptionsID `sql:"options_id BYTES NOT NULL"`

	GroupingID GroupingID `sql:"grouping_id BYTES NOT NULL"`
	// Corpus is the value associated with the "source_type" key. It is its own field for easier
	// searches and joins.
	Corpus string `sql:"corpus STRING AS (keys->>'source_type') STORED NOT NULL"`
	// Keys is a JSON representation of a map[string]string that are the trace keys.
	Keys paramtools.Params `sql:"keys JSONB NOT NULL"`

	// MatchesAnyIgnoreRule is true if this trace is matched by any of the ignore rules.
	MatchesAnyIgnoreRule NullableBool `sql:"matches_any_ignore_rule BOOL"`
	// contains filtered or unexported fields
}

ValueAtHeadRow represents the most recent data point for a each trace. It contains some denormalized data to reduce the number of joins needed to do some frequent queries.

func (ValueAtHeadRow) GetPrimaryKeyCols 

func (r ValueAtHeadRow) GetPrimaryKeyCols() []string

GetPrimaryKeyCols implements the sqltest.SQLExporter interface.

func (*ValueAtHeadRow) ScanFrom 

func (r *ValueAtHeadRow) ScanFrom(scan func(...interface{}) error) error

ScanFrom implements the sqltest.SQLScanner interface.

func (ValueAtHeadRow) ToSQLRow 

func (r ValueAtHeadRow) ToSQLRow() (colNames []string, colData []interface{})

ToSQLRow implements the sqltest.SQLExporter interface.

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