plpgsqltree

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v0.25.2 Latest Latest
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 Go to latest Published: Jun 5, 2025 License: Apache-2.0 Imports: 6 Imported by: 0

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Constants

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Variables

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Functions

This section is empty.

Types

type Assert 

type Assert struct {
	StatementImpl
	Condition Expr
	Message   Expr
}

stmt_assert

func (*Assert) CopyNode 

func (s *Assert) CopyNode() *Assert

func (*Assert) Format 

func (s *Assert) Format(ctx *tree.FmtCtx)

func (*Assert) PlpgSQLStatementTag 

func (s *Assert) PlpgSQLStatementTag() string

func (*Assert) WalkStmt 

func (s *Assert) WalkStmt(visitor StatementVisitor) Statement

type Assignment 

type Assignment struct {
	StatementImpl
	Var   Variable
	Value Expr

	// Indirection is the optional name of a field in a composite variable. For
	// example, in the assignment "foo.bar := 1", Indirection would be "bar".
	Indirection tree.Name
}

stmt_assign

func (*Assignment) CopyNode 

func (s *Assignment) CopyNode() *Assignment

func (*Assignment) Format 

func (s *Assignment) Format(ctx *tree.FmtCtx)

func (*Assignment) PlpgSQLStatementTag 

func (s *Assignment) PlpgSQLStatementTag() string

func (*Assignment) WalkStmt 

func (s *Assignment) WalkStmt(visitor StatementVisitor) Statement

type Block 

type Block struct {
	StatementImpl
	Label      string
	Decls      []Statement
	Body       []Statement
	Exceptions []Exception
}

pl_block

func (*Block) CopyNode 

func (s *Block) CopyNode() *Block

func (*Block) Format 

func (s *Block) Format(ctx *tree.FmtCtx)

func (*Block) PlpgSQLStatementTag 

func (s *Block) PlpgSQLStatementTag() string

func (*Block) WalkStmt 

func (s *Block) WalkStmt(visitor StatementVisitor) Statement

type Call 

type Call struct {
	StatementImpl
	Proc *tree.FuncExpr
}

stmt_call

func (*Call) CopyNode 

func (s *Call) CopyNode() *Call

func (*Call) Format 

func (s *Call) Format(ctx *tree.FmtCtx)

func (*Call) PlpgSQLStatementTag 

func (s *Call) PlpgSQLStatementTag() string

func (*Call) WalkStmt 

func (s *Call) WalkStmt(visitor StatementVisitor) Statement

type Case 

type Case struct {
	StatementImpl
	// TODO(drewk): Change to Expr
	TestExpr     string
	Var          Variable
	CaseWhenList []*CaseWhen
	HaveElse     bool
	ElseStmts    []Statement
}

stmt_case

func (*Case) CopyNode 

func (s *Case) CopyNode() *Case

func (*Case) Format 

func (s *Case) Format(ctx *tree.FmtCtx)

TODO(drewk): fix the whitespace/newline formatting for CASE (see the stmt_case test file).

func (*Case) PlpgSQLStatementTag 

func (s *Case) PlpgSQLStatementTag() string

func (*Case) WalkStmt 

func (s *Case) WalkStmt(visitor StatementVisitor) Statement

type CaseWhen 

type CaseWhen struct {
	StatementImpl
	// TODO(drewk): Change to Expr
	Expr  string
	Stmts []Statement
}

func (*CaseWhen) CopyNode 

func (s *CaseWhen) CopyNode() *CaseWhen

func (*CaseWhen) Format 

func (s *CaseWhen) Format(ctx *tree.FmtCtx)

func (*CaseWhen) PlpgSQLStatementTag 

func (s *CaseWhen) PlpgSQLStatementTag() string

func (*CaseWhen) WalkStmt 

func (s *CaseWhen) WalkStmt(visitor StatementVisitor) Statement

type Close 

type Close struct {
	StatementImpl
	CurVar Variable
}

stmt_close

func (*Close) Format 

func (s *Close) Format(ctx *tree.FmtCtx)

func (*Close) PlpgSQLStatementTag 

func (s *Close) PlpgSQLStatementTag() string

func (*Close) WalkStmt 

func (s *Close) WalkStmt(visitor StatementVisitor) Statement

type Condition 

type Condition struct {
	SqlErrState string
	SqlErrName  string
}

type Continue 

type Continue struct {
	StatementImpl
	Label     string
	Condition Expr
}

stmt_continue

func (*Continue) CopyNode 

func (s *Continue) CopyNode() *Continue

func (*Continue) Format 

func (s *Continue) Format(ctx *tree.FmtCtx)

func (*Continue) PlpgSQLStatementTag 

func (s *Continue) PlpgSQLStatementTag() string

func (*Continue) WalkStmt 

func (s *Continue) WalkStmt(visitor StatementVisitor) Statement

type CursorDeclaration 

type CursorDeclaration struct {
	StatementImpl
	Name        Variable
	Scroll      tree.CursorScrollOption
	Query       tree.Statement
	Annotations *tree.Annotations
}

func (*CursorDeclaration) CopyNode 

func (s *CursorDeclaration) CopyNode() *CursorDeclaration

func (*CursorDeclaration) Format 

func (s *CursorDeclaration) Format(ctx *tree.FmtCtx)

func (*CursorDeclaration) PlpgSQLStatementTag 

func (s *CursorDeclaration) PlpgSQLStatementTag() string

func (*CursorDeclaration) WalkStmt 

func (s *CursorDeclaration) WalkStmt(visitor StatementVisitor) Statement

type Declaration 

type Declaration struct {
	StatementImpl
	Var      Variable
	Constant bool
	Typ      tree.ResolvableTypeReference
	Collate  string
	NotNull  bool
	Expr     Expr
}

decl_stmt

func (*Declaration) CopyNode 

func (s *Declaration) CopyNode() *Declaration

func (*Declaration) Format 

func (s *Declaration) Format(ctx *tree.FmtCtx)

func (*Declaration) PlpgSQLStatementTag 

func (s *Declaration) PlpgSQLStatementTag() string

func (*Declaration) WalkStmt 

func (s *Declaration) WalkStmt(visitor StatementVisitor) Statement

type DoBlock added in v0.25.2 

type DoBlock struct {
	StatementImpl

	// Block is the code block that defines the logic of the DO statement.
	Block *Block
}

stmt_do

func (*DoBlock) CopyNode added in v0.25.2 

func (s *DoBlock) CopyNode() *DoBlock

func (*DoBlock) Format added in v0.25.2 

func (s *DoBlock) Format(ctx *tree.FmtCtx)

func (*DoBlock) IsDoBlockBody added in v0.25.2 

func (s *DoBlock) IsDoBlockBody()

func (*DoBlock) PlpgSQLStatementTag added in v0.25.2 

func (s *DoBlock) PlpgSQLStatementTag() string

func (*DoBlock) VisitBody added in v0.25.2 

func (s *DoBlock) VisitBody(v tree.Visitor) tree.DoBlockBody

func (*DoBlock) WalkStmt added in v0.25.2 

func (s *DoBlock) WalkStmt(visitor StatementVisitor) Statement

type DynamicExecute 

type DynamicExecute struct {
	StatementImpl
	Query  string
	Into   bool
	Strict bool
	Target Variable
	Params []Expr
}

stmt_dynexecute TODO(chengxiong): query should be a better expression type.

func (*DynamicExecute) CopyNode 

func (s *DynamicExecute) CopyNode() *DynamicExecute

func (*DynamicExecute) Format 

func (s *DynamicExecute) Format(ctx *tree.FmtCtx)

func (*DynamicExecute) PlpgSQLStatementTag 

func (s *DynamicExecute) PlpgSQLStatementTag() string

func (*DynamicExecute) WalkStmt 

func (s *DynamicExecute) WalkStmt(visitor StatementVisitor) Statement

type ElseIf 

type ElseIf struct {
	StatementImpl
	Condition Expr
	Stmts     []Statement
}

func (*ElseIf) CopyNode 

func (s *ElseIf) CopyNode() *ElseIf

func (*ElseIf) Format 

func (s *ElseIf) Format(ctx *tree.FmtCtx)

func (*ElseIf) PlpgSQLStatementTag 

func (s *ElseIf) PlpgSQLStatementTag() string

func (*ElseIf) WalkStmt 

func (s *ElseIf) WalkStmt(visitor StatementVisitor) Statement

type Exception 

type Exception struct {
	StatementImpl
	Conditions []Condition
	Action     []Statement
}

func (*Exception) CopyNode 

func (s *Exception) CopyNode() *Exception

func (*Exception) Format 

func (s *Exception) Format(ctx *tree.FmtCtx)

func (*Exception) PlpgSQLStatementTag 

func (s *Exception) PlpgSQLStatementTag() string

func (*Exception) WalkStmt 

func (s *Exception) WalkStmt(visitor StatementVisitor) Statement

type Execute 

type Execute struct {
	StatementImpl
	SqlStmt     tree.Statement
	Strict      bool // INTO STRICT flag
	Target      []Variable
	Annotations *tree.Annotations
}

stmt_execsql

func (*Execute) CopyNode 

func (s *Execute) CopyNode() *Execute

func (*Execute) Format 

func (s *Execute) Format(ctx *tree.FmtCtx)

func (*Execute) PlpgSQLStatementTag 

func (s *Execute) PlpgSQLStatementTag() string

func (*Execute) WalkStmt 

func (s *Execute) WalkStmt(visitor StatementVisitor) Statement

type Exit 

type Exit struct {
	StatementImpl
	Label     string
	Condition Expr
}

stmt_exit

func (*Exit) CopyNode 

func (s *Exit) CopyNode() *Exit

func (*Exit) Format 

func (s *Exit) Format(ctx *tree.FmtCtx)

func (*Exit) PlpgSQLStatementTag 

func (s *Exit) PlpgSQLStatementTag() string

func (*Exit) WalkStmt 

func (s *Exit) WalkStmt(visitor StatementVisitor) Statement

type Expr 

type Expr = tree.Expr

type Fetch 

type Fetch struct {
	StatementImpl
	Cursor      tree.CursorStmt
	Target      []Variable
	IsMove      bool
	Annotations *tree.Annotations
}

stmt_fetch stmt_move (where IsMove = true)

func (*Fetch) Format 

func (s *Fetch) Format(ctx *tree.FmtCtx)

func (*Fetch) PlpgSQLStatementTag 

func (s *Fetch) PlpgSQLStatementTag() string

func (*Fetch) WalkStmt 

func (s *Fetch) WalkStmt(visitor StatementVisitor) Statement

type ForEachArray 

type ForEachArray struct {
	StatementImpl
	Label string
	Var   *Variable
	Slice int // TODO(drewk): not sure what this is
	Expr  Expr
	Body  []Statement
}

stmt_foreach_a

func (*ForEachArray) Format 

func (s *ForEachArray) Format(ctx *tree.FmtCtx)

func (*ForEachArray) PlpgSQLStatementTag 

func (s *ForEachArray) PlpgSQLStatementTag() string

func (*ForEachArray) WalkStmt 

func (s *ForEachArray) WalkStmt(visitor StatementVisitor) Statement

type ForLoop added in v0.25.2 

type ForLoop struct {
	StatementImpl
	Label   string
	Target  []Variable
	Control ForLoopControl
	Body    []Statement
}

stmt_for

func (*ForLoop) CopyNode added in v0.25.2 

func (s *ForLoop) CopyNode() *ForLoop

func (*ForLoop) Format added in v0.25.2 

func (s *ForLoop) Format(ctx *tree.FmtCtx)

func (*ForLoop) PlpgSQLStatementTag added in v0.25.2 

func (s *ForLoop) PlpgSQLStatementTag() string

func (*ForLoop) WalkStmt added in v0.25.2 

func (s *ForLoop) WalkStmt(visitor StatementVisitor) Statement

type ForLoopControl added in v0.25.2 

type ForLoopControl interface {
	Format(ctx *tree.FmtCtx)
	// contains filtered or unexported methods
}

ForLoopControl is an interface covering the loop control structures for the integer range, query, and cursor FOR loops.

type GetDiagnostics 

type GetDiagnostics struct {
	StatementImpl
	IsStacked bool
	DiagItems GetDiagnosticsItemList // TODO(drewk): what is this?
}

stmt_getdiag

func (*GetDiagnostics) Format 

func (s *GetDiagnostics) Format(ctx *tree.FmtCtx)

func (*GetDiagnostics) PlpgSQLStatementTag 

func (s *GetDiagnostics) PlpgSQLStatementTag() string

func (*GetDiagnostics) WalkStmt 

func (s *GetDiagnostics) WalkStmt(visitor StatementVisitor) Statement

type GetDiagnosticsItem 

type GetDiagnosticsItem struct {
	Kind GetDiagnosticsKind
	// TODO(drewk): TargetName is temporary -- should be removed and use Target.
	TargetName string
	Target     int // where to assign it?
}

func (*GetDiagnosticsItem) Format 

func (s *GetDiagnosticsItem) Format(ctx *tree.FmtCtx)

type GetDiagnosticsItemList 

type GetDiagnosticsItemList []*GetDiagnosticsItem

type GetDiagnosticsKind 

type GetDiagnosticsKind int

GetDiagnosticsKind represents the type of error diagnostic item in stmt_getdiag. 

const (
	// GetDiagnosticsRowCount returns the number of rows processed by the recent
	// SQL command.
	GetDiagnosticsRowCount GetDiagnosticsKind = iota
	// GetDiagnosticsContext returns text describing the current call stack.
	GetDiagnosticsContext
	// GetDiagnosticsErrorContext returns text describing the exception's
	// callstack.
	GetDiagnosticsErrorContext
	// GetDiagnosticsErrorDetail returns the exceptions detail message.
	GetDiagnosticsErrorDetail
	// GetDiagnosticsErrorHint returns the exceptions hint message.
	GetDiagnosticsErrorHint
	// GetDiagnosticsReturnedSQLState returns the SQLSTATE error code related to
	// the exception.
	GetDiagnosticsReturnedSQLState
	// GetDiagnosticsColumnName returns the column name related to the exception.
	GetDiagnosticsColumnName
	// GetDiagnosticsConstraintName returns the constraint name related to
	// the exception.
	GetDiagnosticsConstraintName
	// GetDiagnosticsDatatypeName returns the data type name related to the
	// exception.
	GetDiagnosticsDatatypeName
	// GetDiagnosticsMessageText returns the exceptions primary message.
	GetDiagnosticsMessageText
	// GetDiagnosticsTableName returns the name of the table related to the
	// exception.
	GetDiagnosticsTableName
	// GetDiagnosticsSchemaName returns the name of the schema related to the
	// exception.
	GetDiagnosticsSchemaName
)

func (GetDiagnosticsKind) String 

func (k GetDiagnosticsKind) String() string

String implements the fmt.Stringer interface.

type If 

type If struct {
	StatementImpl
	Condition  Expr
	ThenBody   []Statement
	ElseIfList []ElseIf
	ElseBody   []Statement
}

stmt_if

func (*If) CopyNode 

func (s *If) CopyNode() *If

func (*If) Format 

func (s *If) Format(ctx *tree.FmtCtx)

func (*If) PlpgSQLStatementTag 

func (s *If) PlpgSQLStatementTag() string

func (*If) WalkStmt 

func (s *If) WalkStmt(visitor StatementVisitor) Statement

type IntForLoopControl added in v0.25.2 

type IntForLoopControl struct {
	Reverse bool
	Lower   Expr
	Upper   Expr
	Step    Expr
}

func (*IntForLoopControl) Format added in v0.25.2 

func (c *IntForLoopControl) Format(ctx *tree.FmtCtx)

type Loop 

type Loop struct {
	StatementImpl
	Label string
	Body  []Statement
}

stmt_loop

func (*Loop) CopyNode 

func (s *Loop) CopyNode() *Loop

func (*Loop) Format 

func (s *Loop) Format(ctx *tree.FmtCtx)

func (*Loop) PlpgSQLStatementTag 

func (s *Loop) PlpgSQLStatementTag() string

func (*Loop) WalkStmt 

func (s *Loop) WalkStmt(visitor StatementVisitor) Statement

type Null 

type Null struct {
	StatementImpl
}

stmt_null

func (*Null) Format 

func (s *Null) Format(ctx *tree.FmtCtx)

func (*Null) PlpgSQLStatementTag 

func (s *Null) PlpgSQLStatementTag() string

func (*Null) WalkStmt 

func (s *Null) WalkStmt(visitor StatementVisitor) Statement

type Open 

type Open struct {
	StatementImpl
	CurVar      Variable
	Scroll      tree.CursorScrollOption
	Query       tree.Statement
	Annotations *tree.Annotations
}

stmt_open

func (*Open) CopyNode 

func (s *Open) CopyNode() *Open

func (*Open) Format 

func (s *Open) Format(ctx *tree.FmtCtx)

func (*Open) PlpgSQLStatementTag 

func (s *Open) PlpgSQLStatementTag() string

func (*Open) WalkStmt 

func (s *Open) WalkStmt(visitor StatementVisitor) Statement

type Perform 

type Perform struct {
	StatementImpl
	Expr Expr
}

stmt_perform

func (*Perform) Format 

func (s *Perform) Format(ctx *tree.FmtCtx)

func (*Perform) PlpgSQLStatementTag 

func (s *Perform) PlpgSQLStatementTag() string

func (*Perform) WalkStmt 

func (s *Perform) WalkStmt(visitor StatementVisitor) Statement

type Raise 

type Raise struct {
	StatementImpl
	LogLevel string
	Code     string
	CodeName string
	Message  string
	Params   []Expr
	Options  []RaiseOption
}

stmt_raise

func (*Raise) CopyNode 

func (s *Raise) CopyNode() *Raise

func (*Raise) Format 

func (s *Raise) Format(ctx *tree.FmtCtx)

func (*Raise) PlpgSQLStatementTag 

func (s *Raise) PlpgSQLStatementTag() string

func (*Raise) WalkStmt 

func (s *Raise) WalkStmt(visitor StatementVisitor) Statement

type RaiseOption 

type RaiseOption struct {
	OptType string
	Expr    Expr
}

func (*RaiseOption) Format 

func (s *RaiseOption) Format(ctx *tree.FmtCtx)

type Return 

type Return struct {
	StatementImpl
	Expr Expr
}

stmt_return

func (*Return) CopyNode 

func (s *Return) CopyNode() *Return

func (*Return) Format 

func (s *Return) Format(ctx *tree.FmtCtx)

func (*Return) PlpgSQLStatementTag 

func (s *Return) PlpgSQLStatementTag() string

func (*Return) WalkStmt 

func (s *Return) WalkStmt(visitor StatementVisitor) Statement

type ReturnNext 

type ReturnNext struct {
	StatementImpl
	Expr Expr
}

func (*ReturnNext) CopyNode added in v0.25.2 

func (s *ReturnNext) CopyNode() *ReturnNext

func (*ReturnNext) Format 

func (s *ReturnNext) Format(ctx *tree.FmtCtx)

func (*ReturnNext) PlpgSQLStatementTag 

func (s *ReturnNext) PlpgSQLStatementTag() string

func (*ReturnNext) WalkStmt 

func (s *ReturnNext) WalkStmt(visitor StatementVisitor) Statement

type ReturnQuery 

type ReturnQuery struct {
	StatementImpl
	SqlStmt     tree.Statement
	Annotations *tree.Annotations
}

func (*ReturnQuery) CopyNode added in v0.25.2 

func (s *ReturnQuery) CopyNode() *ReturnQuery

func (*ReturnQuery) Format 

func (s *ReturnQuery) Format(ctx *tree.FmtCtx)

func (*ReturnQuery) PlpgSQLStatementTag 

func (s *ReturnQuery) PlpgSQLStatementTag() string

func (*ReturnQuery) WalkStmt 

func (s *ReturnQuery) WalkStmt(visitor StatementVisitor) Statement

type SQLStmtVisitor added in v0.25.2 

type SQLStmtVisitor struct {
	Fn      tree.SimpleVisitFn
	Visitor tree.Visitor
	Err     error
}

SQLStmtVisitor applies a visitor to every SQL statement and expression found while walking the PL/pgSQL AST. SQLStmtVisitor supports using tree.v.visitExprFn for callers that don't need the full Visitor interface.

*Only one of Fn or Visitor can be set.*

func (*SQLStmtVisitor) Visit added in v0.25.2 

func (v *SQLStmtVisitor) Visit(stmt Statement) (newStmt Statement, recurse bool)

type Statement 

type Statement interface {
	tree.NodeFormatter
	GetLineNo() int
	GetStmtID() uint

	WalkStmt(StatementVisitor) Statement
	PlpgSQLStatementTag() string
	// contains filtered or unexported methods
}

func Walk 

func Walk(v StatementVisitor, stmt Statement) Statement

Walk traverses the plpgsql statement.

type StatementImpl 

type StatementImpl struct {
	// TODO(drewk): figure out how to get line number from scanner.
	LineNo int
	/*
	 * Unique statement ID in this function (starting at 1; 0 is invalid/not
	 * set).  This can be used by a profiler as the index for an array of
	 * per-statement metrics.
	 */
	// TODO(drewk): figure out how to get statement id from parser.
	StmtID uint
}

func (*StatementImpl) GetLineNo 

func (s *StatementImpl) GetLineNo() int

func (*StatementImpl) GetStmtID 

func (s *StatementImpl) GetStmtID() uint

type StatementVisitor 

type StatementVisitor interface {
	// Visit is called during a statement walk. If recurse is false for a given
	// node, the node's children (if any) will not be visited.
	Visit(stmt Statement) (newStmt Statement, recurse bool)
}

StatementVisitor defines methods that are called plpgsql statements during a statement walk.

type TransactionControl added in v0.25.2 

type TransactionControl struct {
	StatementImpl
	Rollback bool
	Chain    bool
}

stmt_commit and stmt_rollback

func (*TransactionControl) Format added in v0.25.2 

func (s *TransactionControl) Format(ctx *tree.FmtCtx)

func (*TransactionControl) PlpgSQLStatementTag added in v0.25.2 

func (s *TransactionControl) PlpgSQLStatementTag() string

func (*TransactionControl) WalkStmt added in v0.25.2 

func (s *TransactionControl) WalkStmt(visitor StatementVisitor) Statement

type TypeRefVisitor added in v0.25.2 

type TypeRefVisitor struct {
	Fn  func(typ tree.ResolvableTypeReference) (newTyp tree.ResolvableTypeReference, err error)
	Err error
}

TypeRefVisitor calls the given replace function on each type reference contained in the visited PLpgSQL statements. Note that this currently only includes `Declaration`. SQL statements and expressions are not visited.

func (*TypeRefVisitor) Visit added in v0.25.2 

func (v *TypeRefVisitor) Visit(stmt Statement) (newStmt Statement, recurse bool)

type Variable 

type Variable = tree.Name

type While 

type While struct {
	StatementImpl
	Label     string
	Condition Expr
	Body      []Statement
}

stmt_while

func (*While) CopyNode 

func (s *While) CopyNode() *While

func (*While) Format 

func (s *While) Format(ctx *tree.FmtCtx)

func (*While) PlpgSQLStatementTag 

func (s *While) PlpgSQLStatementTag() string

func (*While) WalkStmt 

func (s *While) WalkStmt(visitor StatementVisitor) Statement

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