Module sqlparser::ast

SQL Abstract Syntax Tree (AST) types

Modules

• helpers

Structs

• Array
  Represents an Array Expression, either ARRAY[..], or [..]
• ArrayAgg
  An ARRAY_AGG invocation ARRAY_AGG( [ DISTINCT ] <expr> [ORDER BY <expr>] [LIMIT <n>] ) Or ARRAY_AGG( [ DISTINCT ] <expr> ) [ WITHIN GROUP ( ORDER BY <expr> ) ] ORDER BY position is defined differently for BigQuery, Postgres and Snowflake.
• Assignment
  SQL assignment foo = expr as used in SQLUpdate
• CharacterLength
  Information about character length, including length and possibly unit.
• ColumnDef
  SQL column definition
• ColumnOptionDef
  An optionally-named ColumnOption: [ CONSTRAINT <name> ] <column-option>.
• CreateFunctionBody
  Postgres specific feature.
• Cte
  A single CTE (used after WITH): alias [(col1, col2, ...)] AS ( query ) The names in the column list before AS, when specified, replace the names of the columns returned by the query. The parser does not validate that the number of columns in the query matches the number of columns in the query.
• DoUpdate
• DollarQuotedString
• DropFunctionDesc
  Function describe in DROP FUNCTION.
• ExceptSelectItem
  Bigquery EXCEPT information, with at least one column.
• Fetch
• Function
  A function call
• HiveFormat
• Ident
  An identifier, decomposed into its value or character data and the quote style.
• IdentWithAlias
  Single aliased identifier
• Join
• LateralView
  A hive LATERAL VIEW with potential column aliases
• ListAgg
  A LISTAGG invocation LISTAGG( [ DISTINCT ] <expr>[, <separator> ] [ON OVERFLOW <on_overflow>] ) ) [ WITHIN GROUP (ORDER BY <within_group1>[, ...] ) ]
• LockClause
• ObjectName
  A name of a table, view, custom type, etc., possibly multi-part, i.e. db.schema.obj
• Offset
• OnConflict
• OperateFunctionArg
  Function argument in CREATE OR DROP FUNCTION.
• OrderByExpr
  An ORDER BY expression
• Query
  The most complete variant of a SELECT query expression, optionally including WITH, UNION / other set operations, and ORDER BY.
• ReplaceSelectElement
  Syntax
• ReplaceSelectItem
  Bigquery REPLACE information.
• Select
  A restricted variant of SELECT (without CTEs/ORDER BY), which may appear either as the only body item of a Query, or as an operand to a set operation like UNION.
• SelectInto
• SqlOption
• Table
  A TABLE command
• TableAlias
• TableWithJoins
• Top
• Values
• WildcardAdditionalOptions
  Additional options for wildcards, e.g. Snowflake EXCLUDE/RENAME and Bigquery EXCEPT.
• WindowFrame
  Specifies the data processed by a window function, e.g. RANGE UNBOUNDED PRECEDING or ROWS BETWEEN 5 PRECEDING AND CURRENT ROW.
• WindowSpec
  A window specification (i.e. OVER (PARTITION BY .. ORDER BY .. etc.))
• With

Enums

• Action
  A privilege on a database object (table, sequence, etc.).
• AddDropSync
• AlterColumnOperation
  An ALTER COLUMN (Statement::AlterTable) operation
• AlterIndexOperation
• AlterTableOperation
  An ALTER TABLE (Statement::AlterTable) operation
• AnalyzeFormat
• ArgMode
  The mode of an argument in CREATE FUNCTION.
• BinaryOperator
  Binary operators
• CharLengthUnits
  Possible units for characters, initially based on 2016 ANSI standard.
• CloseCursor
• ColumnOption
  ColumnOptions are modifiers that follow a column definition in a CREATE TABLE statement.
• CommentObject
• ConflictTarget
• ContextModifier
  Optional context modifier for statements that can be or LOCAL, or SESSION.
• CopyLegacyCsvOption
  A CSV option in COPY statement before PostgreSQL version 9.0.
• CopyLegacyOption
  An option in COPY statement before PostgreSQL version 9.0.
• CopyOption
  An option in COPY statement.
• CopyTarget
• CreateFunctionUsing
• DataType
  SQL data types
• DateTimeField
• DiscardObject
• DropFunctionOption
  Function describe in DROP FUNCTION.
• ExactNumberInfo
  Additional information for NUMERIC, DECIMAL, and DEC data types following the 2016 standard.
• ExcludeSelectItem
  Snowflake EXCLUDE information.
• Expr
  An SQL expression of any type.
• FetchDirection
  Specific direction for FETCH statement
• FileFormat
  External table’s available file format
• FunctionArg
• FunctionArgExpr
• FunctionBehavior
  These attributes inform the query optimizer about the behavior of the function.
• FunctionDefinition
• GrantObjects
  Objects on which privileges are granted in a GRANT statement.
• HiveDistributionStyle
• HiveIOFormat
• HiveRowFormat
• IndexType
  Indexing method used by that index.
• JoinConstraint
• JoinOperator
• JsonOperator
  JsonOperator
• KeyOrIndexDisplay
  Representation whether a definition can can contains the KEY or INDEX keywords with the same meaning.
• KillType
• ListAggOnOverflow
  The ON OVERFLOW clause of a LISTAGG invocation
• LockType
• MergeClause
• MinMaxValue
  Can use to describe options in create sequence or table column type identity [ MINVALUE minvalue | NO MINVALUE ] [ MAXVALUE maxvalue | NO MAXVALUE ]
• NonBlock
• ObjectType
• OffsetRows
  Stores the keyword after OFFSET <number>
• OnCommit
• OnConflictAction
• OnInsert
• Password
• Privileges
  Privileges granted in a GRANT statement or revoked in a REVOKE statement.
• ReferentialAction
  <referential_action> = { RESTRICT | CASCADE | SET NULL | NO ACTION | SET DEFAULT }
• RenameSelectItem
  Snowflake RENAME information.
• SchemaName
  Schema possible naming variants (1).
• SearchModifier
  Fulltext search modifiers (1).
• SelectItem
  One item of the comma-separated list following SELECT
• SequenceOptions
  Can use to describe options in create sequence or table column type identity
• SetExpr
  A node in a tree, representing a “query body” expression, roughly: SELECT ... [ {UNION|EXCEPT|INTERSECT} SELECT ...]
• SetOperator
• SetQuantifier
  A quantifier for SetOperator.
• ShowCreateObject
• ShowStatementFilter
• SqliteOnConflict
  Sqlite specific syntax
• Statement
  A top-level statement (SELECT, INSERT, CREATE, etc.)
• TableConstraint
  A table-level constraint, specified in a CREATE TABLE or an ALTER TABLE ADD <constraint> statement.
• TableFactor
  A table name or a parenthesized subquery with an optional alias
• TimezoneInfo
  Timestamp and Time data types information about TimeZone formatting.
• TransactionAccessMode
• TransactionIsolationLevel
• TransactionMode
• TrimWhereField
• UnaryOperator
  Unary operators
• Value
  Primitive SQL values such as number and string
• WindowFrameBound
  Specifies WindowFrame’s start_bound and end_bound
• WindowFrameUnits

Traits

• Visit
  A type that can be visited by a Visitor. See Visitor for recursively visiting parsed SQL statements.
• VisitMut
  A type that can be visited by a VisitorMut. See VisitorMut for recursively visiting parsed SQL statements.
• Visitor
  A visitor that can be used to walk an AST tree.
• VisitorMut
  A visitor that can be used to mutate an AST tree.

Functions

• escape_quoted_string
• visit_expressions
  Invokes the provided closure on all expressions (e.g. 1 + 2) present in v
• visit_expressions_mut
  Invokes the provided closure iteratively with a mutable reference to all expressions present in v.
• visit_relations
  Invokes the provided closure on all relations (e.g. table names) present in v
• visit_relations_mut
  Invokes the provided closure with a mutable reference to all relations (e.g. table names) present in v.
• visit_statements
  Invokes the provided closure iteratively with a mutable reference to all statements present in v (e.g. SELECT, CREATE TABLE, etc).
• visit_statements_mut
  Invokes the provided closure on all statements (e.g. SELECT, CREATE TABLE, etc) present in v