Package postgres provides a CheckSyntax function wraps the parser for the PostgreSQL dialect of SQL, which will return an error if the query is not syntactically valid.

Coalesce coalesces sets of attributes.

Flatten flattens many relations into one unnamed relation.

MergeNodes merges two Positions into a single Position.

Parse parses a Kuneiform schema.

ParseAction parses a Kuneiform action.

ParseAndValidate parses and validates an entire schema.

ParseNotice parses a log raised from a notice() function.

ParseProcedure parses a procedure.

ParseSchemaWithoutValidation parses a Kuneiform schema.

ParseSQL parses an SQL statement.

ParseSQLWithoutValidation parses a SQL AST, but does not perform any validation or analysis.

RecursivelyVisitPositions traverses a structure recursively, visiting all position struct types.

ShapesMatch checks if the shapes of two relations match.

WrapErrors wraps a collection of ParseErrors.

Not can be either NOT or !.

authenticator provides information on the authenticator used to sign the transaction.

block_timestamp is the unix timestamp of the block, set by the block proposer.

caller is the session variable for the caller.

ErrFunctionSignature is returned when a function/procedure is called with the wrong number of arguments, or returns an unexpected number of values / table.

ErrResultShape is used if the result of a query is not in a shape we expect.

foreign_caller is the dbid of the schema that made a foreign call.

height is the session variable for the block height.

SessionVars are the session variables that are available in the engine.

signer is the session variable for the signer.

txid is the session variable for the transaction id.

ActionParseResult is the result of parsing an action.

Attribute represents an attribute in a relation.

CommonTableExpression is a common table expression.

ExpressionArithmetic is an arithmetic expression.

ExpressionArrayAccess accesses an array value.

ExpressionBetween is a BETWEEN expression.

ExpressionCase is a CASE expression.

ExpressionCollate is an expression with a collation.

ExpressionColumn is a column in a table.

ExpressionComparison is a comparison expression.

ExpressionFieldAccess accesses a field in a record.

ExpressionForeignCall is a call to an external procedure.

ExpressionFunctionCall is a function call expression.

ExpressionIs is an IS expression.

ExpressionLiteral is a literal expression.

ExpressionLogical is a logical expression.

ExpressionMakeArray makes a new array.

ExpressionParenthesized is a parenthesized expression.

ExpressionStringComparison is a string comparison expression.

ExpressionSubquery is a subquery expression.

ExpressionVariable is a variable.

FunctionDefinition defines a function that can be used in the database.

Join is a join in a SELECT statement.

OrderingTerm is a term in an order by clause.

ParseError is an error that occurred during parsing.

Position is a Position in the parse tree.

ProcedureParseResult is the result of parsing a procedure.

ProcedureStmtAssign is a variable assignment in a procedure.

ProcedureStmtCall is a call to another procedure or built-in function.

ProcedureStmtDeclaration is a variable declaration in a procedure.

Relation represents a relation in a sql statement.

SchemaInfo contains information about a parsed schema.

SchemaParseResult is the result of parsing a schema.

SelectStatement is a SELECT statement.

SQLParseResult is the result of parsing an SQL statement.

SQLStatement is a SQL statement.

UnimplementedProcedureVisitor is meant to be used when an implementing visitor only intends to implement the ProcedureVisitor interface.

UnimplementedSqlVisitor is meant to be used when an implementing visitor only intends to implement the SQLVisitor interface.

Expression is an interface for all expressions.

LoopTerm what the loop is looping through.

Node is a node in the AST.

ParseErrs is a collection of parse errors.

ProcedureStmt is a statement in a procedure.

ProcedureVisitor includes visit methods only needed to analyze procedures.

SQLCore is a top-level statement.

SQLVisitor is a visitor that only has methods for SQL nodes.

Visitor is an interface for visiting nodes in the parse tree.

FormatFunc is a function that formats a string of inputs for a SQL function.