BuildLogicalPlan used to build logical plan from ast.Node.

BuildLogicalPlanWithOptimization used to build logical plan from ast.Node and optimize it on logical level.

CheckPrivilege checks the privilege for a user.

DeriveOtherConditions given a LogicalJoin, check the OtherConditions to see if we can derive more conditions for left/right child pushdown.

DrawLogicalPlan draws a logical plan in Graphviz format.

ExprsHasSideEffects checks if any of the expressions has side effects.

InPrepare is a PreprocessOpt that indicates preprocess is executing under prepare statement.

InTxnRetry is a PreprocessOpt that indicates preprocess is executing under transaction retry.

NewPlanBuilder creates a new PlanBuilder.

Preprocess resolves table names of the node, and checks some statements validation.

ReplaceColumnOfExpr replaces column of expression by another LogicalProjection.

ResolveExprAndReplace replaces columns fields of expressions by children logical plans.

RewriteSQLFromLP create sql string from lp with dialect.

RewriteTableRefsAndGetDBType rewrites the tableRefs with local db_dbname.table_name and get db type of table.

ToString explains a Plan, returns description string.

AntiLeftOuterSemiJoin means if row a in table A matches some rows in B, output (a, false), otherwise, output (a, true).

AntiSemiJoin means if row a in table A does not match any row in B, then output a.

table source includes join, union, table.

InnerJoin means inner join.

LeftOuterJoin means left join.

LeftOuterSemiJoin means if row a in table A matches some rows in B, output (a, true), otherwise, output (a, false).

RightOuterJoin means right join.

SemiJoin means if row a in table A matches some rows in B, just output a.

AggregateFuncExtractor visits Expr tree.

ByItems wraps a "by" item.

DataSource represents a tableScan without condition push down.

replace ref table name by local table name.

replace ref table name by local table name.

DDL represents a DDL statement plan.

Explain represents a explain plan.

FrameBound is the boundary of a frame.

LogicalAggregation represents an aggregate plan.

LogicalApply gets one row from outer executor and gets one row from inner executor according to outer row.

LogicalLimit represents offset and limit plan.

LogicalSelection represents a where or having predicate.

LogicalShow represents a show plan.

LogicalSort stands for the order by plan.

LogicalTableDual represents a dual table plan.

LogicalTableScan is the logical table scan operator.

LogicalUnionAll represents LogicalUnionAll plan.

LogicalWindow represents a logical window function plan.

PlanBuilder builds Plan from an ast.Node.

ShowContents stores the contents for the `SHOW` statement.

Simple represents a simple statement plan which doesn't need any optimization.

WindowFrame represents a window function frame.

WindowFuncExtractor visits Expr tree.

PreprocessOpt presents optional parameters to `Preprocess` method.