sql

package
v1.2.4-RC1 Latest Latest
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 Go to latest Published: Apr 27, 2022 License: Apache-2.0 Imports: 14 Imported by: 4

Documentation

Overview

Copyright 2022 CodeNotary, Inc. All rights reserved.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at 

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Copyright 2022 CodeNotary, Inc. All rights reserved.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at 

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Copyright 2022 CodeNotary, Inc. All rights reserved.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at 

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Copyright 2022 CodeNotary, Inc. All rights reserved.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at 

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Copyright 2022 CodeNotary, Inc. All rights reserved.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at 

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Copyright 2022 CodeNotary, Inc. All rights reserved.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at 

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Copyright 2022 CodeNotary, Inc. All rights reserved.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at 

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Copyright 2022 CodeNotary, Inc. All rights reserved.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at 

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Code generated by goyacc -l -o sql_parser.go sql_grammar.y. DO NOT EDIT.

Index

Constants

View Source 
const (
	KeyValPrefixNull       byte = 0x20
	KeyValPrefixNotNull    byte = 0x80
	KeyValPrefixUpperBound byte = 0xFF
)
View Source 
const (
	NamedNonPositionalParamType positionalParamType = iota + 1
	NamedPositionalParamType
	UnnamedParamType
)
View Source 
const (
	PIndexPrefix = "R." // (key=R.{dbID}{tableID}{0}({null}({pkVal}{padding}{pkValLen})?)+, value={count (colID valLen val)+})
	SIndexPrefix = "E." // (key=E.{dbID}{tableID}{indexID}({null}({val}{padding}{valLen})?)+({pkVal}{padding}{pkValLen})+, value={})
	UIndexPrefix = "N." // (key=N.{dbID}{tableID}{indexID}({null}({val}{padding}{valLen})?)+, value={({pkVal}{padding}{pkValLen})+})

)
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const ADD = 57358
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const AGGREGATE_FUNC = 57411
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const ALTER = 57357
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const AS = 57390
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const ASC = 57388
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const AUTO_INCREMENT = 57397
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const BEFORE = 57379
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const BEGIN = 57362
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const BLOB = 57410
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const BOOLEAN = 57409
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const BY = 57385
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const CAST = 57400
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const CMPOP = 57404
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const COLUMN = 57359
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const COMMIT = 57364
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const CONFLICT = 57373
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const CREATE = 57346
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const DATABASE = 57348
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const DELETE = 57370
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const DESC = 57389
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const DISTINCT = 57377
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const DO = 57374
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const ERROR = 57412
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const EXISTS = 57394
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const EncIDLen = 4
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const EncLenLen = 4
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const FROM = 57378
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const GROUP = 57384
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const HAVING = 57382
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const IDENTIFIER = 57405
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const IF = 57393
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const IN = 57395
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const INDEX = 57355
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const INSERT = 57366
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const INTO = 57368
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const IS = 57396
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const JOIN = 57381
View Source 
const JOINTYPE = 57402
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const KEY = 57361
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const LIKE = 57392
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const LIMIT = 57386
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const LOP = 57403
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const MaxNumberOfColumnsInIndex = 8
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const NOT = 57391
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const NOTHING = 57375
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const NPARAM = 57399
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const NULL = 57398
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const NUMBER = 57407
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const ON = 57356
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const ORDER = 57387
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const PKIndexID = uint32(0)
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const PPARAM = 57401
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const PRIMARY = 57360
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const ROLLBACK = 57365
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const SELECT = 57376
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const SET = 57372
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const SINCE = 57350
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const SNAPSHOT = 57349
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const STMT_SEPARATOR = 57413
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const TABLE = 57353
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const TO = 57352
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const TRANSACTION = 57363
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const TX = 57380
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const TYPE = 57406
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const UNIQUE = 57354
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const UP = 57351
View Source 
const UPDATE = 57371
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const UPSERT = 57367
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const USE = 57347
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const VALUES = 57369
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const VARCHAR = 57408
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const WHERE = 57383

Variables

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var ErrAlreadyClosed = store.ErrAlreadyClosed
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var ErrAmbiguousSelector = errors.New("ambiguous selector")
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var ErrColumnDoesNotExist = errors.New("column does not exist")
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var ErrColumnIsNotAnAggregation = errors.New("column is not an aggregation")
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var ErrColumnNotIndexed = errors.New("column is not indexed")
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var ErrCorruptedData = store.ErrCorruptedData
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var ErrDDLorDMLTxOnly = errors.New("transactions can NOT combine DDL and DML statements")
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var ErrDatabaseAlreadyExists = errors.New("database already exists")
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var ErrDatabaseDoesNotExist = errors.New("database does not exist")
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var ErrDivisionByZero = errors.New("division by zero")
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var ErrDuplicatedColumn = errors.New("duplicated column")
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var ErrDuplicatedParameters = errors.New("duplicated parameters")
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var ErrEitherNamedOrUnnamedParams = errors.New("either named or unnamed params")
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var ErrEitherPosOrNonPosParams = errors.New("either positional or non-positional named params")
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var ErrExpectingDQLStmt = errors.New("illegal statement. DQL statement expected")
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var ErrHavingClauseRequiresGroupClause = errors.New("having clause requires group clause")
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var ErrIllegalArguments = store.ErrIllegalArguments
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var ErrIllegalMappedKey = errors.New("error illegal mapped key")
View Source 
var ErrIndexAlreadyExists = errors.New("index already exists")
View Source 
var ErrInferredMultipleTypes = errors.New("inferred multiple types")
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var ErrInvalidColumn = errors.New("invalid column")
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var ErrInvalidCondition = errors.New("invalid condition")
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var ErrInvalidNumberOfValues = errors.New("invalid number of values provided")
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var ErrInvalidPositionalParameter = errors.New("invalid positional parameter")
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var ErrInvalidTypes = errors.New("invalid types")
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var ErrInvalidValue = errors.New("invalid value provided")
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var ErrLimitedAutoIncrement = errors.New("only INTEGER single-column primary keys can be set as auto incremental")
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var ErrLimitedCount = errors.New("only unbounded counting is supported i.e. COUNT(*)")
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var ErrLimitedGroupBy = errors.New("group by requires ordering by the grouping column")
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var ErrLimitedIndexCreation = errors.New("index creation is only supported on empty tables")
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var ErrLimitedKeyType = errors.New("indexed key of invalid type. Supported types are: INTEGER, VARCHAR[256] OR BLOB[256]")
View Source 
var ErrLimitedMaxLen = errors.New("only VARCHAR and BLOB types support max length")
View Source 
var ErrLimitedOrderBy = errors.New("order is limit to one indexed column")
View Source 
var ErrMaxKeyLengthExceeded = errors.New("max key length exceeded")
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var ErrMaxLengthExceeded = errors.New("max length exceeded")
View Source 
var ErrMaxNumberOfColumnsInIndexExceeded = errors.New("number of columns in multi-column index exceeded")
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var ErrMissingParameter = errors.New("missing parameter")
View Source 
var ErrNestedTxNotSupported = errors.New("nested tx are not supported")
View Source 
var ErrNoAvailableIndex = errors.New("no available index")
View Source 
var ErrNoDatabaseSelected = errors.New("no database selected")
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var ErrNoMoreRows = store.ErrNoMoreEntries
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var ErrNoOngoingTx = errors.New("no ongoing transaction")
View Source 
var ErrNoSupported = errors.New("not yet supported")
View Source 
var ErrNotComparableValues = errors.New("values are not comparable")
View Source 
var ErrNotNullableColumnCannotBeNull = errors.New("not nullable column can not be null")
View Source 
var ErrPKCanNotBeNull = errors.New("primary key can not be null")
View Source 
var ErrPKCanNotBeUpdated = errors.New("primary key can not be updated")
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var ErrTableAlreadyExists = errors.New("table already exists")
View Source 
var ErrTableDoesNotExist = errors.New("table does not exist")
View Source 
var ErrTooManyRows = errors.New("too many rows")
View Source 
var ErrTxDoesNotExist = errors.New("tx does not exist")
View Source 
var ErrUnexpected = errors.New("unexpected error")
View Source 
var ErrUnsupportedCast = errors.New("unsupported cast")
View Source 
var ErrUnsupportedJoinType = errors.New("unsupported join type")
View Source 
var ErrUnsupportedParameter = errors.New("unsupported parameter")

Functions

func EncodeAsKey added in v1.1.0 

func EncodeAsKey(val interface{}, colType SQLValueType, maxLen int) ([]byte, error)

func EncodeID 

func EncodeID(id uint32) []byte

func EncodeSelector 

func EncodeSelector(aggFn, db, table, col string) string

func EncodeValue 

func EncodeValue(val interface{}, colType SQLValueType, maxLen int) ([]byte, error)

func MapKey 

func MapKey(prefix []byte, mappingPrefix string, encValues ...[]byte) []byte

func TimeFromInt64 added in v1.2.2 

func TimeFromInt64(t int64) time.Time

func TimeToInt64 added in v1.2.2 

func TimeToInt64(t time.Time) int64

func ValidOpts added in v1.2.0 

func ValidOpts(opts *Options) bool

Types

type AVGValue 

type AVGValue struct {
	// contains filtered or unexported fields
}

func (*AVGValue) ColBounded 

func (v *AVGValue) ColBounded() bool

func (*AVGValue) Compare 

func (v *AVGValue) Compare(val TypedValue) (int, error)

func (*AVGValue) IsNull added in v1.2.0 

func (v *AVGValue) IsNull() bool

func (*AVGValue) Selector 

func (v *AVGValue) Selector() string

func (*AVGValue) Type 

func (v *AVGValue) Type() SQLValueType

func (*AVGValue) Value 

func (v *AVGValue) Value() interface{}

type AddColumnStmt 

type AddColumnStmt struct {
	// contains filtered or unexported fields
}

type AggColSelector 

type AggColSelector struct {
	// contains filtered or unexported fields
}

type AggregateFn 

type AggregateFn = string
const (
	COUNT AggregateFn = "COUNT"
	SUM   AggregateFn = "SUM"
	MAX   AggregateFn = "MAX"
	MIN   AggregateFn = "MIN"
	AVG   AggregateFn = "AVG"
)

type AggregatedValue 

type AggregatedValue interface {
	TypedValue

	Selector() string
	ColBounded() bool
	// contains filtered or unexported methods
}

type BeginTransactionStmt added in v1.2.0 

type BeginTransactionStmt struct {
}

type BinBoolExp 

type BinBoolExp struct {
	// contains filtered or unexported fields
}

type Blob 

type Blob struct {
	// contains filtered or unexported fields
}

func (*Blob) Compare 

func (v *Blob) Compare(val TypedValue) (int, error)

func (*Blob) IsNull added in v1.2.0 

func (v *Blob) IsNull() bool

func (*Blob) Type 

func (v *Blob) Type() SQLValueType

func (*Blob) Value 

func (v *Blob) Value() interface{}

type Bool 

type Bool struct {
	// contains filtered or unexported fields
}

func (*Bool) Compare 

func (v *Bool) Compare(val TypedValue) (int, error)

func (*Bool) IsNull added in v1.2.0 

func (v *Bool) IsNull() bool

func (*Bool) Type 

func (v *Bool) Type() SQLValueType

func (*Bool) Value 

func (v *Bool) Value() interface{}

type Cast added in v1.2.0 

type Cast struct {
	// contains filtered or unexported fields
}

type Catalog 

type Catalog struct {
	// contains filtered or unexported fields
}

func (*Catalog) Databases 

func (c *Catalog) Databases() []*Database

func (*Catalog) ExistDatabase 

func (c *Catalog) ExistDatabase(db string) bool

func (*Catalog) GetDatabaseByID 

func (c *Catalog) GetDatabaseByID(id uint32) (*Database, error)

func (*Catalog) GetDatabaseByName 

func (c *Catalog) GetDatabaseByName(name string) (*Database, error)

func (*Catalog) GetTableByName 

func (c *Catalog) GetTableByName(dbName, tableName string) (*Table, error)

type CmpBoolExp 

type CmpBoolExp struct {
	// contains filtered or unexported fields
}

type CmpOperator 

type CmpOperator = int
const (
	EQ CmpOperator = iota
	NE
	LT
	LE
	GT
	GE
)

type ColDescriptor 

type ColDescriptor struct {
	AggFn    string
	Database string
	Table    string
	Column   string
	Type     SQLValueType
}

func (*ColDescriptor) Selector 

func (d *ColDescriptor) Selector() string

type ColSelector 

type ColSelector struct {
	// contains filtered or unexported fields
}

type ColSpec 

type ColSpec struct {
	// contains filtered or unexported fields
}

type Column 

type Column struct {
	// contains filtered or unexported fields
}

func (*Column) ID 

func (c *Column) ID() uint32

func (*Column) IsAutoIncremental added in v1.1.0 

func (c *Column) IsAutoIncremental() bool

func (*Column) IsNullable 

func (c *Column) IsNullable() bool

func (*Column) MaxLen added in v1.1.0 

func (c *Column) MaxLen() int

func (*Column) Name 

func (c *Column) Name() string

func (*Column) Type 

func (c *Column) Type() SQLValueType

type CommitStmt added in v1.2.0 

type CommitStmt struct {
}

type Comparison 

type Comparison int
const (
	EqualTo Comparison = iota
	LowerThan
	LowerOrEqualTo
	GreaterThan
	GreaterOrEqualTo
)

type CountValue 

type CountValue struct {
	// contains filtered or unexported fields
}

func (*CountValue) ColBounded 

func (v *CountValue) ColBounded() bool

func (*CountValue) Compare 

func (v *CountValue) Compare(val TypedValue) (int, error)

func (*CountValue) IsNull added in v1.2.0 

func (v *CountValue) IsNull() bool

func (*CountValue) Selector 

func (v *CountValue) Selector() string

func (*CountValue) Type 

func (v *CountValue) Type() SQLValueType

func (*CountValue) Value 

func (v *CountValue) Value() interface{}

type CreateDatabaseStmt 

type CreateDatabaseStmt struct {
	DB string
}

type CreateIndexStmt 

type CreateIndexStmt struct {
	// contains filtered or unexported fields
}

type CreateTableStmt 

type CreateTableStmt struct {
	// contains filtered or unexported fields
}

type DataSource 

type DataSource interface {
	Resolve(tx *SQLTx, params map[string]interface{}, ScanSpecs *ScanSpecs) (RowReader, error)
	Alias() string
	// contains filtered or unexported methods
}

type Database 

type Database struct {
	// contains filtered or unexported fields
}

func (*Database) ExistTable 

func (db *Database) ExistTable(table string) bool

func (*Database) GetTableByID 

func (db *Database) GetTableByID(id uint32) (*Table, error)

func (*Database) GetTableByName 

func (db *Database) GetTableByName(name string) (*Table, error)

func (*Database) GetTables 

func (db *Database) GetTables() []*Table

func (*Database) ID 

func (db *Database) ID() uint32

func (*Database) Name 

func (db *Database) Name() string

type DeleteFromStmt added in v1.2.0 

type DeleteFromStmt struct {
	// contains filtered or unexported fields
}

type Engine 

type Engine struct {
	// contains filtered or unexported fields
}

func NewEngine 

func NewEngine(store *store.ImmuStore, opts *Options) (*Engine, error)

func (*Engine) Catalog 

func (e *Engine) Catalog(tx *SQLTx) (catalog *Catalog, err error)

func (*Engine) DefaultDatabase added in v1.2.0 

func (e *Engine) DefaultDatabase() string

func (*Engine) Exec 

func (e *Engine) Exec(sql string, params map[string]interface{}, tx *SQLTx) (ntx *SQLTx, committedTxs []*SQLTx, err error)

func (*Engine) ExecPreparedStmts 

func (e *Engine) ExecPreparedStmts(stmts []SQLStmt, params map[string]interface{}, tx *SQLTx) (ntx *SQLTx, committedTxs []*SQLTx, err error)

func (*Engine) InferParameters added in v1.0.5 

func (e *Engine) InferParameters(sql string, tx *SQLTx) (params map[string]SQLValueType, err error)

func (*Engine) InferParametersPreparedStmts added in v1.2.0 

func (e *Engine) InferParametersPreparedStmts(stmts []SQLStmt, tx *SQLTx) (params map[string]SQLValueType, err error)

func (*Engine) Query 

func (e *Engine) Query(sql string, params map[string]interface{}, tx *SQLTx) (RowReader, error)

func (*Engine) QueryPreparedStmt 

func (e *Engine) QueryPreparedStmt(stmt *SelectStmt, params map[string]interface{}, tx *SQLTx) (rowReader RowReader, err error)

func (*Engine) SetDefaultDatabase added in v1.2.0 

func (e *Engine) SetDefaultDatabase(dbName string) error

type ExistsBoolExp 

type ExistsBoolExp struct {
	// contains filtered or unexported fields
}

type InListExp added in v1.2.0 

type InListExp struct {
	// contains filtered or unexported fields
}

TODO: once InSubQueryExp is supported, this struct may become obsolete by creating a ListDataSource struct

type InSubQueryExp added in v1.2.0 

type InSubQueryExp struct {
	// contains filtered or unexported fields
}

type Index added in v1.1.0 

type Index struct {
	// contains filtered or unexported fields
}

func (*Index) Cols added in v1.1.0 

func (i *Index) Cols() []*Column

func (*Index) IncludesCol added in v1.1.0 

func (i *Index) IncludesCol(colID uint32) bool

func (*Index) IsPrimary added in v1.1.0 

func (i *Index) IsPrimary() bool

func (*Index) IsUnique added in v1.1.0 

func (i *Index) IsUnique() bool

type JoinSpec 

type JoinSpec struct {
	// contains filtered or unexported fields
}

type JoinType 

type JoinType = int
const (
	InnerJoin JoinType = iota
	LeftJoin
	RightJoin
)

type LikeBoolExp 

type LikeBoolExp struct {
	// contains filtered or unexported fields
}

type LogicOperator 

type LogicOperator = int
const (
	AND LogicOperator = iota
	OR
)

type MaxValue 

type MaxValue struct {
	// contains filtered or unexported fields
}

func (*MaxValue) ColBounded 

func (v *MaxValue) ColBounded() bool

func (*MaxValue) Compare 

func (v *MaxValue) Compare(val TypedValue) (int, error)

func (*MaxValue) IsNull added in v1.2.0 

func (v *MaxValue) IsNull() bool

func (*MaxValue) Selector 

func (v *MaxValue) Selector() string

func (*MaxValue) Type 

func (v *MaxValue) Type() SQLValueType

func (*MaxValue) Value 

func (v *MaxValue) Value() interface{}

type MinValue 

type MinValue struct {
	// contains filtered or unexported fields
}

func (*MinValue) ColBounded 

func (v *MinValue) ColBounded() bool

func (*MinValue) Compare 

func (v *MinValue) Compare(val TypedValue) (int, error)

func (*MinValue) IsNull added in v1.2.0 

func (v *MinValue) IsNull() bool

func (*MinValue) Selector 

func (v *MinValue) Selector() string

func (*MinValue) Type 

func (v *MinValue) Type() SQLValueType

func (*MinValue) Value 

func (v *MinValue) Value() interface{}

type NotBoolExp 

type NotBoolExp struct {
	// contains filtered or unexported fields
}

type NullValue 

type NullValue struct {
	// contains filtered or unexported fields
}

func (*NullValue) Compare 

func (n *NullValue) Compare(val TypedValue) (int, error)

func (*NullValue) IsNull added in v1.2.0 

func (n *NullValue) IsNull() bool

func (*NullValue) Type 

func (n *NullValue) Type() SQLValueType

func (*NullValue) Value 

func (n *NullValue) Value() interface{}

type NumExp 

type NumExp struct {
	// contains filtered or unexported fields
}

type NumOperator 

type NumOperator = int
const (
	ADDOP NumOperator = iota
	SUBSOP
	DIVOP
	MULTOP
)

type Number 

type Number struct {
	// contains filtered or unexported fields
}

func (*Number) Compare 

func (v *Number) Compare(val TypedValue) (int, error)

func (*Number) IsNull added in v1.2.0 

func (v *Number) IsNull() bool

func (*Number) Type 

func (v *Number) Type() SQLValueType

func (*Number) Value 

func (v *Number) Value() interface{}

type OnConflictDo added in v1.2.2 

type OnConflictDo struct {
}

type Options added in v1.2.0 

type Options struct {
	// contains filtered or unexported fields
}

func DefaultOptions added in v1.2.0 

func DefaultOptions() *Options

func (*Options) WithAutocommit added in v1.2.0 

func (opts *Options) WithAutocommit(autocommit bool) *Options

func (*Options) WithDistinctLimit added in v1.2.0 

func (opts *Options) WithDistinctLimit(distinctLimit int) *Options

func (*Options) WithPrefix added in v1.2.0 

func (opts *Options) WithPrefix(prefix []byte) *Options

type OrdCol 

type OrdCol struct {
	// contains filtered or unexported fields
}

type Param 

type Param struct {
	// contains filtered or unexported fields
}

type RollbackStmt added in v1.2.0 

type RollbackStmt struct {
}

type Row 

type Row struct {
	Values map[string]TypedValue
}

type RowReader 

type RowReader interface {
	Tx() *SQLTx
	Database() *Database
	TableAlias() string
	SetParameters(params map[string]interface{}) error
	Read() (*Row, error)
	Close() error
	Columns() ([]ColDescriptor, error)
	OrderBy() []ColDescriptor
	ScanSpecs() *ScanSpecs
	InferParameters(params map[string]SQLValueType) error
	// contains filtered or unexported methods
}

type RowSpec 

type RowSpec struct {
	Values []ValueExp
}

type SQLStmt 

type SQLStmt interface {
	// contains filtered or unexported methods
}

func Parse 

func Parse(r io.ByteReader) ([]SQLStmt, error)

func ParseString 

func ParseString(sql string) ([]SQLStmt, error)

type SQLTx added in v1.2.0 

type SQLTx struct {
	// contains filtered or unexported fields
}

SQLTx (no-thread safe) represents an interactive or incremental transaction with support of RYOW

func (*SQLTx) Cancel added in v1.2.0 

func (sqlTx *SQLTx) Cancel() error

func (*SQLTx) Closed added in v1.2.0 

func (sqlTx *SQLTx) Closed() bool

func (*SQLTx) Database added in v1.2.0 

func (sqlTx *SQLTx) Database() *Database

func (*SQLTx) FirstInsertedPKs added in v1.2.2 

func (sqlTx *SQLTx) FirstInsertedPKs() map[string]int64

func (*SQLTx) LastInsertedPKs added in v1.2.0 

func (sqlTx *SQLTx) LastInsertedPKs() map[string]int64

func (*SQLTx) TxHeader added in v1.2.0 

func (sqlTx *SQLTx) TxHeader() *store.TxHeader

func (*SQLTx) UpdatedRows added in v1.2.0 

func (sqlTx *SQLTx) UpdatedRows() int

type SQLValueType 

type SQLValueType = string
const (
	IntegerType   SQLValueType = "INTEGER"
	BooleanType   SQLValueType = "BOOLEAN"
	VarcharType   SQLValueType = "VARCHAR"
	BLOBType      SQLValueType = "BLOB"
	TimestampType SQLValueType = "TIMESTAMP"
	AnyType       SQLValueType = "ANY"
)

type ScanSpecs added in v1.1.0 

type ScanSpecs struct {
	// contains filtered or unexported fields
}

type SelectStmt 

type SelectStmt struct {
	// contains filtered or unexported fields
}

func (*SelectStmt) Alias 

func (stmt *SelectStmt) Alias() string

func (*SelectStmt) Limit 

func (stmt *SelectStmt) Limit() int

func (*SelectStmt) Resolve 

func (stmt *SelectStmt) Resolve(tx *SQLTx, params map[string]interface{}, _ *ScanSpecs) (rowReader RowReader, err error)

type Selector 

type Selector interface {
	ValueExp
	// contains filtered or unexported methods
}

type SumValue 

type SumValue struct {
	// contains filtered or unexported fields
}

func (*SumValue) ColBounded 

func (v *SumValue) ColBounded() bool

func (*SumValue) Compare 

func (v *SumValue) Compare(val TypedValue) (int, error)

func (*SumValue) IsNull added in v1.2.0 

func (v *SumValue) IsNull() bool

func (*SumValue) Selector 

func (v *SumValue) Selector() string

func (*SumValue) Type 

func (v *SumValue) Type() SQLValueType

func (*SumValue) Value 

func (v *SumValue) Value() interface{}

type SysFn 

type SysFn struct {
	// contains filtered or unexported fields
}

type Table 

type Table struct {
	// contains filtered or unexported fields
}

func (*Table) Cols added in v1.1.0 

func (t *Table) Cols() []*Column

func (*Table) ColsByName 

func (t *Table) ColsByName() map[string]*Column

func (*Table) Database 

func (t *Table) Database() *Database

func (*Table) GetColumnByID 

func (t *Table) GetColumnByID(id uint32) (*Column, error)

func (*Table) GetColumnByName 

func (t *Table) GetColumnByName(name string) (*Column, error)

func (*Table) ID 

func (t *Table) ID() uint32

func (*Table) IndexesByColID added in v1.1.0 

func (t *Table) IndexesByColID(colID uint32) []*Index

func (*Table) IsIndexed 

func (t *Table) IsIndexed(colName string) (indexed bool, err error)

func (*Table) Name 

func (t *Table) Name() string

func (*Table) PrimaryIndex added in v1.1.0 

func (t *Table) PrimaryIndex() *Index

type Timestamp added in v1.2.0 

type Timestamp struct {
	// contains filtered or unexported fields
}

func (*Timestamp) Compare added in v1.2.0 

func (v *Timestamp) Compare(val TypedValue) (int, error)

func (*Timestamp) IsNull added in v1.2.0 

func (v *Timestamp) IsNull() bool

func (*Timestamp) Type added in v1.2.0 

func (v *Timestamp) Type() SQLValueType

func (*Timestamp) Value added in v1.2.0 

func (v *Timestamp) Value() interface{}

type TypedValue 

type TypedValue interface {
	ValueExp
	Type() SQLValueType
	Value() interface{}
	Compare(val TypedValue) (int, error)
	IsNull() bool
}

func DecodeValue 

func DecodeValue(b []byte, colType SQLValueType) (TypedValue, int, error)

type UpdateStmt added in v1.2.0 

type UpdateStmt struct {
	// contains filtered or unexported fields
}

type UpsertIntoStmt 

type UpsertIntoStmt struct {
	// contains filtered or unexported fields
}

type UseDatabaseStmt 

type UseDatabaseStmt struct {
	DB string
}

type UseSnapshotStmt 

type UseSnapshotStmt struct {
	// contains filtered or unexported fields
}

type ValueExp 

type ValueExp interface {
	// contains filtered or unexported methods
}

type Varchar 

type Varchar struct {
	// contains filtered or unexported fields
}

func (*Varchar) Compare 

func (v *Varchar) Compare(val TypedValue) (int, error)

func (*Varchar) IsNull added in v1.2.0 

func (v *Varchar) IsNull() bool

func (*Varchar) Type 

func (v *Varchar) Type() SQLValueType

func (*Varchar) Value 

func (v *Varchar) Value() interface{}

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