org.apache.druid.query.expression

Class ContainsExprMacro

java.lang.Object

org.apache.druid.query.expression.ContainsExprMacro

All Implemented Interfaces:

ExprMacroTable.ExprMacro

public class ContainsExprMacro
extends Object
implements ExprMacroTable.ExprMacro

This class implements a function that checks if one string contains another string. It is required that second string be a literal. This expression is case-sensitive. signature: long contains_string(string, string)

Examples: - contains_string("foobar", "bar") - 1 - contains_string("foobar", "car") - 0 - contains_string("foobar", "Bar") - 0

See CaseInsensitiveContainsExprMacro for the case-insensitive version.

Field Summary

Fields

Modifier and Type	Field and Description
static String	FN_NAME

Constructor Summary

Constructors

Constructor and Description
ContainsExprMacro()

Method Summary

Modifier and Type	Method and Description
Expr	apply(List<Expr> args)
String	name()

Methods inherited from class java.lang.Object

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

Field Detail

FN_NAME

public static final String FN_NAME

See Also:

Constant Field Values

Constructor Detail

ContainsExprMacro

public ContainsExprMacro()

Method Detail

name

public String name()

Specified by:

name in interface ExprMacroTable.ExprMacro

apply

public Expr apply(List<Expr> args)

Specified by:

apply in interface ExprMacroTable.ExprMacro