Module sql_from_models_parser::ast

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SQL Abstract Syntax Tree (AST) types

Structs

  • AlterTable
    ALTER TABLE
  • Analyze
  • Assert
    ASSERT <condition> [AS <message>]
  • Assignment
    SQL assignment foo = expr as used in SQLUpdate
  • Between
    <expr> [ NOT ] BETWEEN <low> AND <high>
  • BinaryOp
    Binary operation e.g. 1 + 1 or foo > bar
  • Case
    CASE [<operand>] WHEN <condition> THEN <result> ... [ELSE <result>] END
  • Cast
    CAST an expression to a different data type e.g. CAST(foo AS VARCHAR(123))
  • Check
    [ CONSTRAINT <name> ] CHECK (<expr>)
  • Collate
    expr COLLATE collation
  • ColumnDef
    SQL column definition
  • ColumnOptionDef
    An optionally-named ColumnOption: [ CONSTRAINT <name> ] <column-option>.
  • Commit
    COMMIT [ TRANSACTION | WORK ] [ AND [ NO ] CHAIN ]
  • Copy
  • CreateDatabase
    CREATE DATABASE
  • CreateIndex
    CREATE INDEX
  • CreateSchema
    CREATE SCHEMA
  • CreateTable
    CREATE TABLE
  • CreateView
    CREATE VIEW
  • CreateVirtualTable
    SQLite’s CREATE VIRTUAL TABLE .. USING <module_name> (<module_args>)
  • 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.
  • Deallocate
    DEALLOCATE [ PREPARE ] { name | ALL }
  • Delete
    DELETE
  • Directory
  • Drop
    DROP
  • Execute
    EXECUTE name [ ( parameter [, ...] ) ]
  • Explain
    EXPLAIN
  • Extract
    EXTRACT(DateTimeField FROM )
  • Fetch
  • ForeignKey
    A referential integrity constraint ([ CONSTRAINT <name> ] FOREIGN KEY (<columns>) REFERENCES <foreign_table> (<referred_columns>) { [ON DELETE <referential_action>] [ON UPDATE <referential_action>] | [ON UPDATE <referential_action>] [ON DELETE <referential_action>] }).
  • Function
    A function call
  • HiveFormat
  • Ident
    An identifier, decomposed into its value or character data and the quote style.
  • InList
    [ NOT ] IN (val1, val2, ...)
  • InSubquery
    [ NOT ] IN (SELECT ...)
  • Insert
  • 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>[, ...] ) ]
  • MapAccess
  • Msck
    Msck (Hive)
  • ObjectName
    A name of a table, view, custom type, etc., possibly multi-part, i.e. db.schema.obj
  • Offset
  • OrderByExpr
    An ORDER BY expression
  • Prepare
    PREPARE name [ ( data_type [, ...] ) ] AS statement
  • Query
    The most complete variant of a SELECT query expression, optionally including WITH, UNION / other set operations, and ORDER BY.
  • Rollback
    ROLLBACK [ TRANSACTION | WORK ] [ AND [ NO ] CHAIN ]
  • Select
    A restricted variant of SELECT (without CTEs/ORDER BY), which may appear either as the only body item of an SQLQuery, or as an operand to a set operation like UNION.
  • SetTransaction
    SET TRANSACTION ...
  • SetVariable
    SET
  • ShowColumns
    SHOW COLUMNS
  • ShowCreate
    SHOW CREATE TABLE
  • ShowVariable
    SHOW
  • SqlOption
  • StartTransaction
    { BEGIN [ TRANSACTION | WORK ] | START TRANSACTION } ...
  • Substring
    SUBSTRING( [FROM ] [FOR ])
  • TableAlias
  • TableWithJoins
  • Top
  • Trim
    TRIM([BOTH | LEADING | TRAILING] [FROM ])
    Or
    TRIM()
  • Truncate
    Truncate (Hive)
  • TryCast
    TRY_CAST an expression to a different data type e.g. TRY_CAST(foo AS VARCHAR(123))
  • TypedString
    A constant of form <data_type> 'value'. This can represent ANSI SQL DATE, TIME, and TIMESTAMP literals (such as DATE '2020-01-01'), as well as constants of other types (a non-standard PostgreSQL extension).
  • UnaryOp
    Unary operation e.g. NOT foo
  • Unique
    [ CONSTRAINT <name> ] { PRIMARY KEY | UNIQUE } (<columns>)
  • Update
    UPDATE
  • Values
  • 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