mysql

Documentation

Index

• Constants
• Variables
• func CAST(expr Expression) *cast
• func CBRT(number jet.NumericExpression) jet.FloatExpression
• func FOLLOWING(offset interface{}) jet.FrameExtent
• func LATERAL(selectStmt SelectStatement) lateralImpl
• func LENGTH(str jet.StringExpression) jet.StringExpression
• func LPAD(str jet.StringExpression, length jet.IntegerExpression, ...) jet.StringExpression
• func PRECEDING(offset interface{}) jet.FrameExtent
• func RPAD(str jet.StringExpression, length jet.IntegerExpression, ...) jet.StringExpression
• func RawStatement(rawQuery string, namedArguments ...RawArgs) jet.SerializerStatement
• func UNION(lhs, rhs jet.SerializerStatement, selects ...jet.SerializerStatement) setStatement
• func UNION_ALL(lhs, rhs jet.SerializerStatement, selects ...jet.SerializerStatement) setStatement
• func VALUES(rows ...RowExpression) values
• func WITH(cte ...CommonTableExpression) func(statement jet.Statement) Statement
• func WITH_RECURSIVE(cte ...CommonTableExpression) func(statement jet.Statement) Statement
• type BoolExpression
• type Column
• type ColumnAssigment
• type ColumnBool
• type ColumnDate
• type ColumnDateTime
• type ColumnFloat
• type ColumnInteger
• type ColumnList
• type ColumnString
• type ColumnTime
• type ColumnTimestamp
• type CommonTableExpression
  • func CTE(name string, columns ...jet.ColumnExpression) CommonTableExpression
• type DateExpression
  • func Date(year int, month time.Month, day int) DateExpression
  • func DateT(t time.Time) DateExpression
• type DateTimeExpression
  • func DateTime(year int, month time.Month, day, hour, minute, second int, ...) DateTimeExpression
  • func DateTimeT(t time.Time) DateTimeExpression
  • func NOW(fsp ...int) DateTimeExpression
• type DeleteStatement
• type Expression
• type FloatExpression
• type GroupByClause
• type InsertStatement
• type IntegerExpression
  • func EXTRACT(field unitType, from Expression) IntegerExpression
• type Interval
  • func INTERVAL(value interface{}, unitType unitType) Interval
  • func INTERVALd(duration time.Duration) Interval
  • func INTERVALe(expr Expression, unitType unitType) Interval
• type LockStatement
  • func LOCK(tables ...jet.SerializerTable) LockStatement
• type OptimizerHint
  • func MAX_EXECUTION_TIME(miliseconds int) OptimizerHint
  • func QB_NAME(name string) OptimizerHint
• type OrderByClause
• type PrintableStatement
• type Projection
• type ProjectionList
• type QueryInfo
• type RawArgs
• type ReadableTable
• type RowExpression
  • func ROW(expressions ...Expression) RowExpression
• type RowLock
• type Rows
• type SelectStatement
  • func SELECT(projection Projection, projections ...Projection) SelectStatement
• type SelectTable
• type Statement
  • func UNLOCK_TABLES() Statement
• type StringExpression
  • func UUID_TO_BIN(str StringExpression) StringExpression
• type Table
  • func NewTable(schemaName, name, alias string, columns ...jet.ColumnExpression) Table
• type TimeExpression
  • func CURRENT_TIME(precision ...int) TimeExpression
  • func Time(hour, minute, second int, nanoseconds ...time.Duration) TimeExpression
  • func TimeT(t time.Time) TimeExpression
• type TimestampExpression
  • func CURRENT_TIMESTAMP(precision ...int) TimestampExpression
  • func TIMESTAMP(str StringExpression) TimestampExpression
  • func Timestamp(year int, month time.Month, day, hour, minute, second int, ...) TimestampExpression
  • func TimestampT(t time.Time) TimestampExpression
  • func UNIX_TIMESTAMP(str StringExpression) TimestampExpression
• type Token
• type UpdateStatement

Constants

const (
	MICROSECOND        unitType = "MICROSECOND"
	SECOND             unitType = "SECOND"
	MINUTE             unitType = "MINUTE"
	HOUR               unitType = "HOUR"
	DAY                unitType = "DAY"
	WEEK               unitType = "WEEK"
	MONTH              unitType = "MONTH"
	QUARTER            unitType = "QUARTER"
	YEAR               unitType = "YEAR"
	SECOND_MICROSECOND unitType = "SECOND_MICROSECOND"
	MINUTE_MICROSECOND unitType = "MINUTE_MICROSECOND"
	MINUTE_SECOND      unitType = "MINUTE_SECOND"
	HOUR_MICROSECOND   unitType = "HOUR_MICROSECOND"
	HOUR_SECOND        unitType = "HOUR_SECOND"
	HOUR_MINUTE        unitType = "HOUR_MINUTE"
	DAY_MICROSECOND    unitType = "DAY_MICROSECOND"
	DAY_SECOND         unitType = "DAY_SECOND"
	DAY_MINUTE         unitType = "DAY_MINUTE"
	DAY_HOUR           unitType = "DAY_HOUR"
	YEAR_MONTH         unitType = "YEAR_MONTH"
)

List of interval unit types for MySQL

Variables

var (
	Raw = jet.Raw

	RawBool      = jet.RawBool
	RawInt       = jet.RawInt
	RawFloat     = jet.RawFloat
	RawString    = jet.RawString
	RawTime      = jet.RawTime
	RawTimestamp = jet.RawTimestamp
	RawDate      = jet.RawDate
)

Raw can be used for any unsupported functions, operators or expressions. For example: Raw("current_database()") Raw helper methods for each of the mysql types

var (
	// AND function adds AND operator between expressions.
	AND = jet.AND
	// OR function adds OR operator between expressions.
	OR = jet.OR
)

This functions can be used, instead of its method counterparts, to have a better indentation of a complex condition in the Go code and in the generated SQL.

var (
	STAR    = jet.STAR
	NULL    = jet.NULL
	DEFAULT = jet.DEFAULT
)

Keywords

var (
	UPDATE = jet.NewRowLock("UPDATE")
	SHARE  = jet.NewRowLock("SHARE")
)

Row lock types

var (
	PARTITION_BY = jet.PARTITION_BY
	ORDER_BY     = jet.ORDER_BY
	UNBOUNDED    = jet.UNBOUNDED
	CURRENT_ROW  = jet.CURRENT_ROW
)

Window function clauses

var ABSf = jet.ABSf

ABSf calculates absolute value from float expression

var ABSi = jet.ABSi

ABSi calculates absolute value from int expression

var AVG = jet.AVG

AVG is aggregate function used to calculate avg value from numeric expression

var BIT_AND = jet.BIT_AND

BIT_AND is aggregate function used to calculates the bitwise AND of all non-null input values, or null if none.

var BIT_LENGTH = jet.BIT_LENGTH

BIT_LENGTH returns number of bits in string expression

var BIT_NOT = jet.BIT_NOT

BIT_NOT inverts every bit in integer expression result

var BIT_OR = jet.BIT_OR

BIT_OR is aggregate function used to calculates the bitwise OR of all non-null input values, or null if none.

var BinaryOperator = jet.BinaryOperator

BinaryOperator can be used to use custom or unsupported operators that take two operands.

var Bool = jet.Bool

Bool creates new bool literal expression

var BoolColumn = jet.BoolColumn

BoolColumn creates named bool column.

var BoolExp = jet.BoolExp

BoolExp is bool expression wrapper around arbitrary expression. Allows go compiler to see any expression as bool expression. Does not add sql cast to generated sql builder output.

var CASE = jet.CASE

CASE create CASE operator with optional list of expressions

var CEIL = jet.CEIL

CEIL calculates ceil of float expression

var CHAR_LENGTH = jet.CHAR_LENGTH

CHAR_LENGTH returns number of characters in string expression

var COALESCE = jet.COALESCE

COALESCE function returns the first of its arguments that is not null.

var CONCAT = jet.CONCAT

CONCAT adds two or more expressions together

var CONCAT_WS = jet.CONCAT_WS

CONCAT_WS adds two or more expressions together with a separator.

var COUNT = jet.COUNT

COUNT is aggregate function. Returns number of input rows for which the value of expression is not null.

var CUME_DIST = jet.CUME_DIST

CUME_DIST calculates cumulative distribution: (number of partition rows preceding or peer with current row) / total partition rows

var CURRENT_DATE = jet.CURRENT_DATE

CURRENT_DATE returns current date

var CustomExpression = jet.CustomExpression

CustomExpression is used to define custom expressions.

var DENSE_RANK = jet.DENSE_RANK

DENSE_RANK returns rank of the current row without gaps; this function counts peer groups

var DISTINCT = jet.DISTINCT

DISTINCT operator can be used to return distinct values of expr

var DateColumn = jet.DateColumn

DateColumn creates named date column.

var DateExp = jet.DateExp

DateExp is date expression wrapper around arbitrary expression. Allows go compiler to see any expression as date expression. Does not add sql cast to generated sql builder output.

var DateTimeColumn = jet.TimestampColumn

DateTimeColumn creates named timestamp column

var DateTimeExp = jet.TimestampExp

DateTimeExp is timestamp expression wrapper around arbitrary expression. Allows go compiler to see any expression as timestamp expression. Does not add sql cast to generated sql builder output.

var Decimal = jet.Decimal

Decimal creates new float literal expression from string value

var Dialect = newDialect()

Dialect is implementation of MySQL dialect for SQL Builder serialisation.

var EXISTS = jet.EXISTS

EXISTS checks for existence of the rows in subQuery

var FIRST_VALUE = jet.FIRST_VALUE

FIRST_VALUE returns value evaluated at the row that is the first row of the window frame

var FLOOR = jet.FLOOR

FLOOR calculates floor of float expression

var FORMAT = jet.FORMAT

FORMAT formats a number to a format like "#,###,###.##", rounded to a specified number of decimal places, then it returns the result as a string.

var Float = jet.Float

Float creates new float literal expression from float64 value

var FloatColumn = jet.FloatColumn

FloatColumn creates named float column.

var FloatExp = jet.FloatExp

FloatExp is date expression wrapper around arbitrary expression. Allows go compiler to see any expression as float expression. Does not add sql cast to generated sql builder output.

var Func = jet.Func

Func can be used to call custom or unsupported database functions.

var GREATEST = jet.GREATEST

GREATEST selects the largest value from a list of expressions, or null if any of the expressions is null.

var GROUPING = jet.GROUPING

GROUPING function is used to identify which columns are included in a grouping set or a subtotal row. It takes as input the name of a column and returns 1 if the column is not included in the current grouping set, and 0 otherwise. It can be also used with multiple parameters to check if a set of columns is included in the current grouping set. The result of the GROUPING function would then be an integer bit mask having 1’s for the arguments which have GROUPING(argument) as 1.

var Int = jet.Int

Int is constructor for 64 bit signed integer expressions literals.

var Int16 = jet.Int16

Int16 is constructor for 16 bit signed integer expressions literals.

var Int32 = jet.Int32

Int32 is constructor for 32 bit signed integer expressions literals.

var Int64 = jet.Int

Int64 is constructor for 64 bit signed integer expressions literals.

var Int8 = jet.Int8

Int8 is constructor for 8 bit signed integer expressions literals.

var IntExp = jet.IntExp

IntExp is int expression wrapper around arbitrary expression. Allows go compiler to see any expression as int expression. Does not add sql cast to generated sql builder output.

var IntegerColumn = jet.IntegerColumn

IntegerColumn creates named integer column.

var LAG = jet.LAG

LAG returns value evaluated at the row that is offset rows before the current row within the partition; if there is no such row, instead return default (which must be of the same type as value). Both offset and default are evaluated with respect to the current row. If omitted, offset defaults to 1 and default to null

var LAST_VALUE = jet.LAST_VALUE

LAST_VALUE returns value evaluated at the row that is the last row of the window frame

var LEAD = jet.LEAD

LEAD returns value evaluated at the row that is offset rows after the current row within the partition; if there is no such row, instead return default (which must be of the same type as value). Both offset and default are evaluated with respect to the current row. If omitted, offset defaults to 1 and default to null

var LEAST = jet.LEAST

LEAST selects the smallest value from a list of expressions, or null if any of the expressions is null.

var LEFT = jet.LEFT

LEFT returns first n characters in the string. When n is negative, return all but last |n| characters.

var LN = jet.LN

LN calculates natural algorithm of float expression

var LOG = jet.LOG

LOG calculates logarithm of float expression

var LOWER = jet.LOWER

LOWER returns string expression in lower case

var LTRIM = jet.LTRIM

LTRIM removes the longest string containing only characters from characters (a space by default) from the start of string

var MAX = jet.MAX

MAX is aggregate function. Returns maximum value of expression across all input values

var MAXf = jet.MAXf

MAXf is aggregate function. Returns maximum value of float expression across all input values

var MAXi = jet.MAXi

MAXi is aggregate function. Returns maximum value of int expression across all input values

var MD5 = jet.MD5

MD5 calculates the MD5 hash of string, returning the result in hexadecimal

var MIN = jet.MIN

MIN is aggregate function. Returns minimum value of int expression across all input values

var MINf = jet.MINf

MINf is aggregate function. Returns minimum value of float expression across all input values

var MINi = jet.MINi

MINi is aggregate function. Returns minimum value of int expression across all input values

var NOT = jet.NOT

NOT returns negation of bool expression result

var NTH_VALUE = jet.NTH_VALUE

NTH_VALUE returns value evaluated at the row that is the nth row of the window frame (counting from 1); null if no such row

var NTILE = jet.NTILE

NTILE returns integer ranging from 1 to the argument value, dividing the partition as equally as possible

var NULLIF = jet.NULLIF

NULLIF function returns a null value if value1 equals value2; otherwise it returns value1.

var NewEnumValue = jet.NewEnumValue

NewEnumValue creates new named enum value

var OCTET_LENGTH = jet.OCTET_LENGTH

OCTET_LENGTH returns number of bytes in string expression

var PERCENT_RANK = jet.PERCENT_RANK

PERCENT_RANK calculates relative rank of the current row: (rank - 1) / (total partition rows - 1)

var POW = jet.POW

POW calculates power of base with exponent

var POWER = jet.POWER

POWER calculates power of base with exponent

var RANK = jet.RANK

RANK of the current row with gaps; same as row_number of its first peer

var REGEXP_LIKE = jet.REGEXP_LIKE

REGEXP_LIKE Returns 1 if the string expr matches the regular expression specified by the pattern pat, 0 otherwise.

var REPEAT = jet.REPEAT

REPEAT repeats string the specified number of times

var REPLACE = jet.REPLACE

REPLACE replaces all occurrences in string of substring from with substring to

var REVERSE = jet.REVERSE

REVERSE returns reversed string.

var RIGHT = jet.RIGHT

RIGHT returns last n characters in the string. When n is negative, return all but first |n| characters.

var ROUND = jet.ROUND

ROUND calculates round of a float expressions with optional precision

var ROW_NUMBER = jet.ROW_NUMBER

ROW_NUMBER returns number of the current row within its partition, counting from 1

var RTRIM = jet.RTRIM

RTRIM removes the longest string containing only characters from characters (a space by default) from the end of string

var RowExp = jet.RowExp

RowExp serves as a wrapper for an arbitrary expression, treating it as a row expression. This enables the Go compiler to interpret any expression as a row expression Note: This does not modify the generated SQL builder output by adding a SQL CAST operation.

var SIGN = jet.SIGN

SIGN returns sign of float expression

var SQRT = jet.SQRT

SQRT calculates square root of numeric expression

var SUBSTR = jet.SUBSTR

SUBSTR extracts substring

var SUM = jet.SUM

SUM is aggregate function. Returns sum of all expressions

var SUMf = jet.SUMf

SUMf is aggregate function. Returns sum of float expression.

var SUMi = jet.SUMi

SUMi is aggregate function. Returns sum of integer expression.

var SetLogger = jet.SetLoggerFunc

SetLogger sets automatic statement logging Deprecated: use SetQueryLogger instead.

var SetQueryLogger = jet.SetQueryLogger

SetQueryLogger sets automatic query logging function.

var String = jet.String

String creates new string literal expression

var StringColumn = jet.StringColumn

StringColumn creates named string column.

var StringExp = jet.StringExp

StringExp is string expression wrapper around arbitrary expression. Allows go compiler to see any expression as string expression. Does not add sql cast to generated sql builder output.

var TRUNC = TRUNCATE

TRUNC calculates trunc of float expression with precision

var TRUNCATE = func(floatExpression jet.FloatExpression, precision jet.IntegerExpression) jet.FloatExpression {
	return jet.NewFloatFunc("TRUNCATE", floatExpression, precision)
}

TRUNCATE calculates trunc of float expression with precision

var TimeColumn = jet.TimeColumn

TimeColumn creates named time column

var TimeExp = jet.TimeExp

TimeExp is time expression wrapper around arbitrary expression. Allows go compiler to see any expression as time expression. Does not add sql cast to generated sql builder output.

var TimestampColumn = jet.TimestampColumn

TimestampColumn creates named timestamp column

var TimestampExp = jet.TimestampExp

TimestampExp is timestamp expression wrapper around arbitrary expression. Allows go compiler to see any expression as timestamp expression. Does not add sql cast to generated sql builder output.

var UPPER = jet.UPPER

UPPER returns string expression in upper case

var UUID = jet.UUID

UUID is a helper function to create string literal expression from uuid object value can be any uuid type with a String method

var Uint16 = jet.Uint16

Uint16 is constructor for 16 bit unsigned integer expressions literals.

var Uint32 = jet.Uint32

Uint32 is constructor for 32 bit unsigned integer expressions literals.

var Uint64 = jet.Uint64

Uint64 is constructor for 64 bit unsigned integer expressions literals.

var Uint8 = jet.Uint8

Uint8 is constructor for 8 bit unsigned integer expressions literals.

var WITH_ROLLUP = jet.WITH_ROLLUP

WITH_ROLLUP operator is used with the GROUP BY clause to generate all prefixes of a group of columns including the empty list. It creates extra rows in the result set that represent the subtotal values for each combination of columns.

var Window = jet.WindowName

Window is used to specify window reference from WINDOW clause

Functions

func CAST

func CAST(expr Expression) *cast

CAST function converts a expr (of any type) into latter specified datatype.

func CBRT

func CBRT(number jet.NumericExpression) jet.FloatExpression

CBRT calculates cube root of numeric expression

func FOLLOWING

func FOLLOWING(offset interface{}) jet.FrameExtent

FOLLOWING window frame clause

func LATERAL

func LATERAL(selectStmt SelectStatement) lateralImpl

LATERAL derived tables constructor from select statement

func LENGTH

func LENGTH(str jet.StringExpression) jet.StringExpression

LENGTH returns number of characters in string with a given encoding

func LPAD

func LPAD(str jet.StringExpression, length jet.IntegerExpression, text jet.StringExpression) jet.StringExpression

LPAD fills up the string to length length by prepending the characters fill (a space by default). If the string is already longer than length then it is truncated (on the right).

func PRECEDING

func PRECEDING(offset interface{}) jet.FrameExtent

PRECEDING window frame clause

func RPAD

func RPAD(str jet.StringExpression, length jet.IntegerExpression, text jet.StringExpression) jet.StringExpression

RPAD fills up the string to length length by appending the characters fill (a space by default). If the string is already longer than length then it is truncated.

func RawStatement

func RawStatement(rawQuery string, namedArguments ...RawArgs) jet.SerializerStatement

RawStatement creates new sql statements from raw query and optional map of named arguments

func UNION

func UNION(lhs, rhs jet.SerializerStatement, selects ...jet.SerializerStatement) setStatement

UNION effectively appends the result of sub-queries(select statements) into single query. It eliminates duplicate rows from its result.

func UNION_ALL

func UNION_ALL(lhs, rhs jet.SerializerStatement, selects ...jet.SerializerStatement) setStatement

UNION_ALL effectively appends the result of sub-queries(select statements) into single query. It does not eliminates duplicate rows from its result.

func VALUES

func VALUES(rows ...RowExpression) values

VALUES is a table value constructor that computes a set of one or more rows as a temporary constant table. Each row is defined by the ROW constructor, which takes one or more expressions.

Example usage:

VALUES(
	ROW(Int32(204), Float32(1.21)),
	ROW(Int32(207), Float32(1.02)),
)

func WITH

func WITH(cte ...CommonTableExpression) func(statement jet.Statement) Statement

WITH function creates new WITH statement from list of common table expressions

func WITH_RECURSIVE

func WITH_RECURSIVE(cte ...CommonTableExpression) func(statement jet.Statement) Statement

WITH_RECURSIVE function creates new WITH RECURSIVE statement from list of common table expressions

Types

type BoolExpression

type BoolExpression = jet.BoolExpression

BoolExpression interface

type Column

type Column = jet.ColumnExpression

Column is common column interface for all types of columns.

type ColumnAssigment

type ColumnAssigment = jet.ColumnAssigment

ColumnAssigment is interface wrapper around column assigment

type ColumnBool

type ColumnBool = jet.ColumnBool

ColumnBool is interface for SQL boolean columns.

type ColumnDate

type ColumnDate = jet.ColumnDate

ColumnDate is interface of SQL date columns.

type ColumnDateTime

type ColumnDateTime = jet.ColumnTimestamp

ColumnDateTime is interface of SQL timestamp columns.

type ColumnFloat

type ColumnFloat = jet.ColumnFloat

ColumnFloat is interface for SQL real, numeric, decimal or double precision column.

type ColumnInteger

type ColumnInteger = jet.ColumnInteger

ColumnInteger is interface for SQL smallint, integer, bigint columns.

type ColumnList

type ColumnList = jet.ColumnList

ColumnList function returns list of columns that be used as projection or column list for UPDATE and INSERT statement.

type ColumnString

type ColumnString = jet.ColumnString

ColumnString is interface for SQL text, character, character varying bytea, uuid columns and enums types.

type ColumnTime

type ColumnTime = jet.ColumnTime

ColumnTime is interface for SQL time column.

type ColumnTimestamp

type ColumnTimestamp = jet.ColumnTimestamp

ColumnTimestamp is interface of SQL timestamp columns.

type CommonTableExpression

type CommonTableExpression interface {
	SelectTable

	AS(statement jet.SerializerHasProjections) CommonTableExpression
	// ALIAS is used to create another alias of the CTE, if a CTE needs to appear multiple times in the main query.
	ALIAS(alias string) SelectTable
	// contains filtered or unexported methods
}

CommonTableExpression defines set of interface methods for postgres CTEs

func CTE

func CTE(name string, columns ...jet.ColumnExpression) CommonTableExpression

CTE creates new named commonTableExpression

type DateExpression

type DateExpression = jet.DateExpression

DateExpression interface

func Date

func Date(year int, month time.Month, day int) DateExpression

Date creates new date literal

func DateT

func DateT(t time.Time) DateExpression

DateT creates new date literal from time.Time

type DateTimeExpression

type DateTimeExpression = jet.TimestampExpression

DateTimeExpression interface

func DateTime

func DateTime(year int, month time.Month, day, hour, minute, second int, nanoseconds ...time.Duration) DateTimeExpression

DateTime creates new datetime literal

func DateTimeT

func DateTimeT(t time.Time) DateTimeExpression

DateTimeT creates new datetime literal from time.Time

func NOW

func NOW(fsp ...int) DateTimeExpression

NOW returns current datetime

type DeleteStatement

type DeleteStatement interface {
	Statement

	OPTIMIZER_HINTS(hints ...OptimizerHint) DeleteStatement

	USING(tables ...ReadableTable) DeleteStatement
	WHERE(expression BoolExpression) DeleteStatement
	ORDER_BY(orderByClauses ...OrderByClause) DeleteStatement
	LIMIT(limit int64) DeleteStatement
}

DeleteStatement is interface for MySQL DELETE statement

type Expression

type Expression = jet.Expression

Expression is common interface for all expressions. Can be Bool, Int, Float, String, Date, Time or Timestamp expressions.

type FloatExpression

type FloatExpression = jet.FloatExpression

FloatExpression interface

type GroupByClause

type GroupByClause = jet.GroupByClause

GroupByClause interface to use as input for GROUP_BY

type InsertStatement

type InsertStatement interface {
	Statement

	OPTIMIZER_HINTS(hints ...OptimizerHint) InsertStatement

	// Insert row of values
	VALUES(value interface{}, values ...interface{}) InsertStatement
	// Insert row of values, where value for each column is extracted from filed of structure data.
	// If data is not struct or there is no field for every column selected, this method will panic.
	MODEL(data interface{}) InsertStatement
	MODELS(data interface{}) InsertStatement
	AS_NEW() InsertStatement

	ON_DUPLICATE_KEY_UPDATE(assigments ...ColumnAssigment) InsertStatement

	QUERY(selectStatement SelectStatement) InsertStatement
}

InsertStatement is interface for SQL INSERT statements

type IntegerExpression

type IntegerExpression = jet.IntegerExpression

IntegerExpression interface

func EXTRACT

func EXTRACT(field unitType, from Expression) IntegerExpression

EXTRACT function retrieves subfields such as year or hour from date/time values

EXTRACT(DAY, User.CreatedAt)

type Interval

type Interval = jet.Interval

Interval is representation of MySQL interval

func INTERVAL

func INTERVAL(value interface{}, unitType unitType) Interval

INTERVAL creates new temporal interval.

In a case of MICROSECOND, SECOND, MINUTE, HOUR, DAY, WEEK, MONTH, QUARTER, YEAR unit type
value parameter has to be a number.
		INTERVAL(1, DAY)
In a case of other unit types, value should be string with appropriate format.
		INTERVAL("10:08:50", HOUR_SECOND)

func INTERVALd

func INTERVALd(duration time.Duration) Interval

INTERVALd temoral interval from time.Duration

func INTERVALe

func INTERVALe(expr Expression, unitType unitType) Interval

INTERVALe creates new temporal interval from expresion and unit type.

type LockStatement

type LockStatement interface {
	Statement
	READ() Statement
	WRITE() Statement
}

LockStatement is interface for MySQL LOCK tables

func LOCK

func LOCK(tables ...jet.SerializerTable) LockStatement

LOCK creates LockStatement from list of tables

type OptimizerHint

type OptimizerHint = jet.OptimizerHint

OptimizerHint provides a way to optimize query execution per-statement basis

func MAX_EXECUTION_TIME

func MAX_EXECUTION_TIME(miliseconds int) OptimizerHint

MAX_EXECUTION_TIME limits statement execution time

func QB_NAME

func QB_NAME(name string) OptimizerHint

QB_NAME assigns name to query block

type OrderByClause

type OrderByClause = jet.OrderByClause

OrderByClause is the combination of an expression and the wanted ordering to use as input for ORDER BY.

type PrintableStatement

type PrintableStatement = jet.PrintableStatement

PrintableStatement is a statement which sql query can be logged

type Projection

type Projection = jet.Projection

Projection is interface for all projection types. Types that can be part of, for instance SELECT clause.

type ProjectionList

type ProjectionList = jet.ProjectionList

ProjectionList can be used to create conditional constructed projection list.

type QueryInfo

type QueryInfo = jet.QueryInfo

QueryInfo contains information about executed query

type RawArgs

type RawArgs = map[string]interface{}

RawArgs is type used to pass optional arguments to Raw method

type ReadableTable

type ReadableTable interface {
	jet.Serializer
	// contains filtered or unexported methods
}

ReadableTable interface

type RowExpression

type RowExpression = jet.RowExpression

RowExpression interface

func ROW

func ROW(expressions ...Expression) RowExpression

ROW function is used to create a tuple value that consists of a set of expressions or column values.

type RowLock

type RowLock = jet.RowLock

RowLock is interface for SELECT statement row lock types

type Rows

type Rows = jet.Rows

Rows wraps sql.Rows type with a support for query result mapping

type SelectStatement

type SelectStatement interface {
	Statement
	jet.HasProjections
	Expression

	OPTIMIZER_HINTS(hints ...OptimizerHint) SelectStatement

	DISTINCT() SelectStatement
	FROM(tables ...ReadableTable) SelectStatement
	WHERE(expression BoolExpression) SelectStatement
	GROUP_BY(groupByClauses ...GroupByClause) SelectStatement
	HAVING(boolExpression BoolExpression) SelectStatement
	WINDOW(name string) windowExpand
	ORDER_BY(orderByClauses ...OrderByClause) SelectStatement
	LIMIT(limit int64) SelectStatement
	OFFSET(offset int64) SelectStatement
	FOR(lock RowLock) SelectStatement
	LOCK_IN_SHARE_MODE() SelectStatement

	UNION(rhs SelectStatement) setStatement
	UNION_ALL(rhs SelectStatement) setStatement

	AsTable(alias string) SelectTable
}

SelectStatement is interface for MySQL SELECT statement

func SELECT

func SELECT(projection Projection, projections ...Projection) SelectStatement

SELECT creates new SelectStatement with list of projections

type SelectTable

type SelectTable interface {
	jet.SelectTable
	// contains filtered or unexported methods
}

SelectTable is interface for MySQL sub-queries

type Statement

type Statement = jet.Statement

Statement is common interface for all statements(SELECT, INSERT, UPDATE, DELETE, LOCK)

func UNLOCK_TABLES

func UNLOCK_TABLES() Statement

UNLOCK_TABLES explicitly releases any table locks held by the current session

type StringExpression

type StringExpression = jet.StringExpression

StringExpression interface

func UUID_TO_BIN

func UUID_TO_BIN(str StringExpression) StringExpression

UUID_TO_BIN is a helper function that calls "uuid_to_bin" function on the passed value.

type Table

type Table interface {
	jet.SerializerTable

	INSERT(columns ...jet.Column) InsertStatement
	UPDATE(columns ...jet.Column) UpdateStatement
	DELETE() DeleteStatement
	LOCK() LockStatement
	// contains filtered or unexported methods
}

Table is interface for MySQL tables

func NewTable

func NewTable(schemaName, name, alias string, columns ...jet.ColumnExpression) Table

NewTable creates new table with schema Name, table Name and list of columns

type TimeExpression

type TimeExpression = jet.TimeExpression

TimeExpression interface

func CURRENT_TIME

func CURRENT_TIME(precision ...int) TimeExpression

CURRENT_TIME returns current time with time zone

func Time

func Time(hour, minute, second int, nanoseconds ...time.Duration) TimeExpression

Time creates new time literal

func TimeT

func TimeT(t time.Time) TimeExpression

TimeT creates new time literal from time.Time

type TimestampExpression

type TimestampExpression = jet.TimestampExpression

TimestampExpression interface

func CURRENT_TIMESTAMP

func CURRENT_TIMESTAMP(precision ...int) TimestampExpression

CURRENT_TIMESTAMP returns current timestamp with time zone

func TIMESTAMP

func TIMESTAMP(str StringExpression) TimestampExpression

TIMESTAMP return a datetime value based on the arguments:

func Timestamp

func Timestamp(year int, month time.Month, day, hour, minute, second int, nanoseconds ...time.Duration) TimestampExpression

Timestamp creates new timestamp literal

func TimestampT

func TimestampT(t time.Time) TimestampExpression

TimestampT creates new timestamp literal from time.Time

func UNIX_TIMESTAMP

func UNIX_TIMESTAMP(str StringExpression) TimestampExpression

UNIX_TIMESTAMP returns unix timestamp

type Token

type Token = jet.Token

Token is used to define custom token in a custom expression.

type UpdateStatement

type UpdateStatement interface {
	jet.Statement

	OPTIMIZER_HINTS(hints ...OptimizerHint) UpdateStatement

	SET(value interface{}, values ...interface{}) UpdateStatement
	MODEL(data interface{}) UpdateStatement

	WHERE(expression BoolExpression) UpdateStatement
}

UpdateStatement is interface of SQL UPDATE statement