org.apache.phoenix.compile

Class WhereCompiler

java.lang.Object

org.apache.phoenix.compile.WhereCompiler

public class WhereCompiler
extends Object

Class to build the filter of a scan

Since:

0.1

Field Summary

Fields

Modifier and Type	Field and Description
protected static ParseNodeFactory	NODE_FACTORY

Method Summary

Modifier and Type	Method and Description
static Expression	compile(StatementContext context, FilterableStatement statement)
static Expression	compile(StatementContext context, FilterableStatement statement, ParseNode viewWhere, List<Expression> dynamicFilters, Set<SubqueryParseNode> subqueryNodes) Optimize scan ranges by applying dynamically generated filter expressions.
static Expression	compile(StatementContext context, FilterableStatement statement, ParseNode viewWhere, Set<SubqueryParseNode> subqueryNodes) Pushes where clause filter expressions into scan by building and setting a filter.
static Expression	compile(StatementContext context, ParseNode whereNode)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

NODE_FACTORY

protected static final ParseNodeFactory NODE_FACTORY

Method Detail

compile

public static Expression compile(StatementContext context,
                                 FilterableStatement statement)
                          throws SQLException

Throws:

SQLException

compile

public static Expression compile(StatementContext context,
                                 ParseNode whereNode)
                          throws SQLException

Throws:

SQLException

compile

public static Expression compile(StatementContext context,
                                 FilterableStatement statement,
                                 ParseNode viewWhere,
                                 Set<SubqueryParseNode> subqueryNodes)
                          throws SQLException

Pushes where clause filter expressions into scan by building and setting a filter.

Parameters:

context - the shared context during query compilation

statement - TODO

Throws:

SQLException - if mismatched types are found, bind value do not match binds, or invalid function arguments are encountered.

SQLFeatureNotSupportedException - if an unsupported expression is encountered.

ColumnNotFoundException - if column name could not be resolved

AmbiguousColumnException - if an unaliased column name is ambiguous across multiple tables

compile

public static Expression compile(StatementContext context,
                                 FilterableStatement statement,
                                 ParseNode viewWhere,
                                 List<Expression> dynamicFilters,
                                 Set<SubqueryParseNode> subqueryNodes)
                          throws SQLException

Optimize scan ranges by applying dynamically generated filter expressions.

Parameters:

context - the shared context during query compilation

statement - TODO

Throws:

SQLException - if mismatched types are found, bind value do not match binds, or invalid function arguments are encountered.

SQLFeatureNotSupportedException - if an unsupported expression is encountered.

ColumnNotFoundException - if column name could not be resolved

AmbiguousColumnException - if an unaliased column name is ambiguous across multiple tables