public class SQLVarchar extends SQLChar
_clobValue, arg_passer, CHAR_HEADER_GENERATOR, RETURN_SPACE_THRESHOLD, stream
BOTH, COLLATION_DERIVATION_EXPLICIT, COLLATION_DERIVATION_IMPLICIT, COLLATION_DERIVATION_NONE, COLLATION_TYPE_TERRITORY_BASED, COLLATION_TYPE_TERRITORY_BASED_IDENTICAL, COLLATION_TYPE_TERRITORY_BASED_PRIMARY, COLLATION_TYPE_TERRITORY_BASED_SECONDARY, COLLATION_TYPE_TERRITORY_BASED_TERTIARY, COLLATION_TYPE_UCS_BASIC, LEADING, TRAILING
UNKNOWN_LOGICAL_LENGTH
ORDER_OP_EQUALS, ORDER_OP_GREATEROREQUALS, ORDER_OP_GREATERTHAN, ORDER_OP_LESSOREQUALS, ORDER_OP_LESSTHAN
IGNORE_PRECISION
Constructor and Description |
---|
SQLVarchar() |
SQLVarchar(char[] val)
This is a special constructor used when we need to represent a password
as a VARCHAR (see DERBY-866).
|
SQLVarchar(java.sql.Clob val) |
SQLVarchar(java.lang.String val) |
Modifier and Type | Method and Description |
---|---|
DataValueDescriptor |
cloneValue(boolean forceMaterialization)
Clone this DataValueDescriptor.
|
DataValueDescriptor |
getNewNull()
Get a new null value of the same type as this data value.
|
int |
getTypeFormatId()
Return my format identifier.
|
java.lang.String |
getTypeName()
Get the SQL name of the datatype
|
StringDataValue |
getValue(java.text.RuleBasedCollator collatorForComparison)
Gets either SQLChar/SQLVarchar/SQLLongvarchar/SQLClob(base classes) or
CollatorSQLChar/CollatorSQLVarchar/CollatorSQLLongvarch/CollatorSQLClob
(subclasses).
|
protected int |
growBy()
returns the reasonable minimum amount by
which the array can grow .
|
void |
normalize(DataTypeDescriptor desiredType,
DataValueDescriptor source)
Normalization method - this method may be called when putting
a value into a SQLVarchar, for example, when inserting into a SQLVarchar
column.
|
protected void |
normalize(DataTypeDescriptor desiredType,
java.lang.String sourceValue) |
int |
typePrecedence()
Each built-in type in JSQL has a precedence.
|
ansiTrim, charLength, cloneHolder, compare, compare, concatenate, copyState, equals, estimateMemoryUsage, getBoolean, getByte, getCharArray, getCollationKey, getCollatorForCollation, getDate, getDate, getDouble, getFloat, getInt, getLength, getLocaleFinder, getLong, getNewVarchar, getObject, getRawDataAndZeroIt, getShort, getStream, getStreamHeaderGenerator, getStreamWithDescriptor, getString, getTime, getTime, getTimestamp, getTimestamp, getTraceString, greaterOrEquals, greaterThan, hashCode, hashCodeForCollation, hasNonBlankChars, isNull, lessOrEquals, lessThan, like, like, loadStream, locate, lower, notEquals, readExternal, readExternal, readExternalClobFromArray, readExternalFromArray, restoreToNull, returnStream, setBigDecimal, setFrom, setInto, setLocaleFinder, setObjectForCast, setStream, setStreamHeaderFormat, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValueFromResultSet, setWidth, stringCompare, stringCompare, stringCompare, substring, throwStreamingIOException, toString, typeToBigDecimal, upper, writeClobUTF, writeExternal, zeroRawData
checkHostVariable, coalesce, compare, compare, compareTo, dataTypeConversion, equals, flip, genericSetObject, getBytes, getTypeName, hasStream, in, invalidFormat, isNotNull, isNullOp, outOfRange, recycle, setInto, setObject, setToNull, setValue, setValue, setValue, setValue, setValue, setValue, throwLangSetMismatch, throwLangSetMismatch
public SQLVarchar()
public SQLVarchar(java.lang.String val)
public SQLVarchar(java.sql.Clob val)
public SQLVarchar(char[] val)
This is a special constructor used when we need to represent a password as a VARCHAR (see DERBY-866). If you need a general-purpose constructor for char[] values and you want to re-use this constructor, make sure to read the comment on the SQLChar( char[] ) constructor.
public java.lang.String getTypeName()
DataValueDescriptor
getTypeName
in interface DataValueDescriptor
getTypeName
in class SQLChar
public DataValueDescriptor cloneValue(boolean forceMaterialization)
DataValueDescriptor
Even though the objects can be modified independently regardless of the
value of forceMaterialization
, both the clone and the
original may be dependent on the store state if
forceMaterialization
is set to false
. An example is if
you need to access the value you just read using cloneValue
after the current transaction has ended, or after the source result set
has been closed.
cloneValue
in interface DataValueDescriptor
cloneValue
in class SQLChar
forceMaterialization
- any streams representing the data value will
be materialized if true
, the data value will be kept as a
stream if possible if false
DataValueDescriptor
with the same initial
value as this.DataValueDescriptor.cloneValue(boolean)
public DataValueDescriptor getNewNull()
DataValueDescriptor
getNewNull
in interface DataValueDescriptor
getNewNull
in class SQLChar
DataValueDescriptor.getNewNull()
public StringDataValue getValue(java.text.RuleBasedCollator collatorForComparison)
StringDataValue
getValue
in interface StringDataValue
getValue
in class SQLChar
StringDataValue.getValue(RuleBasedCollator)
public int getTypeFormatId()
getTypeFormatId
in interface TypedFormat
getTypeFormatId
in class SQLChar
TypedFormat.getTypeFormatId()
public void normalize(DataTypeDescriptor desiredType, DataValueDescriptor source) throws StandardException
normalize
in interface DataValueDescriptor
normalize
in class SQLChar
desiredType
- The type to normalize the source column tosource
- The value to normalizeStandardException
- Thrown for null into
non-nullable column, and for
truncation errorprotected void normalize(DataTypeDescriptor desiredType, java.lang.String sourceValue) throws StandardException
normalize
in class SQLChar
StandardException
public int typePrecedence()
DataType
typePrecedence
in interface DataValueDescriptor
typePrecedence
in class SQLChar
DataValueDescriptor.typePrecedence()
protected final int growBy()
Apache Derby V10.13 Internals - Copyright © 2004,2016 The Apache Software Foundation. All Rights Reserved.