public class StringLength extends StringFunction
FALSE, TRUE
ABS_VAL, ARGS_VAL, CMP_EQUAL, COALESCE_VAL, CONCAT_VAL, FORCE_OUTER, GENERALCASE_VAL, INDEXOF_VAL, JOIN_REL, LENGTH_VAL, LOCATE_VAL, LOWER_VAL, MATH_VAL, NULL_CMP, NULLIF_VAL, SIMPLECASE_VAL, SQRT_VAL, SUBSTRING_VAL, TRIM_VAL, UPPER_VAL, VAL, WHENCONDITION_VAL, WHENSCALAR_VAL
Constructor and Description |
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StringLength(Val val)
Constructor.
|
Modifier and Type | Method and Description |
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void |
appendTo(Select sel,
ExpContext ctx,
ExpState state,
SQLBuffer buf,
int index)
Append the
index th SQL element to the given buffer. |
int |
getId() |
Class |
getType()
Return the expected type for this value, or
Object if
the type is unknown. |
void |
setImplicitType(Class type)
Set the implicit type of the value, based on how it is used in the
filter.
|
acceptVisit, calculateValue, getMetaData, getValue, groupBy, initialize, length, load, orderBy, select, selectColumns, setMetaData
appendIndex, appendIsEmpty, appendIsNotEmpty, appendIsNotNull, appendIsNull, appendSize, appendType, getAlias, getName, getPath, getSelectAs, isAggregate, isVariable, isXPath, setAlias, toDataStoreValue
public StringLength(Val val)
public Class getType()
Value
Object
if
the type is unknown.getType
in interface Value
getType
in class StringFunction
public void setImplicitType(Class type)
Value
Object
from Value.getType()
.setImplicitType
in interface Value
setImplicitType
in class StringFunction
public void appendTo(Select sel, ExpContext ctx, ExpState state, SQLBuffer buf, int index)
Val
index
th SQL element to the given buffer.public int getId()
getId
in interface Val
getId
in class AbstractVal
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