WebLogic Server 6.1 API Reference

weblogic.jdbc.informix4
Class InformixColumnMetaData

java.lang.Object
  |
  +--weblogic.jdbc.informix4.InformixColumnMetaData

public class InformixColumnMetaData

extends java.lang.Object

implements java.lang.Cloneable

Author:

Copyright © 2001 BEA Systems, Inc. All Rights Reserved.

Field Summary

protected int	leadIntervalDigits
protected int	totalIntervalBytes
protected int	totalIntervalDigits

Method Summary

java.lang.Object	clone()
java.lang.String	getCatalogName() What's a column's table's catalog name?
int	getColumnDisplaySize() What's the column's normal max width in chars?
java.lang.String	getColumnLabel() What's the suggested column title for use in printouts and displays?
java.lang.String	getColumnName() What's a column's name?
int	getColumnType() What's a column's SQL type?
java.lang.String	getColumnTypeName() What's a column's data source specific type name?
int	getDefPrecision() What's a column's default precision value?
java.lang.String	getEncoding() Returns encoding method (character set) same as statement's.
protected boolean	getFlag(int iFlag)
int	getInformixColumnType() What's a column's SQL type?
java.lang.String	getInformixTypeName() What's a column's informix column name.
protected static InformixColumnMetaData	getMeta(int informixType) protected final static String xopenName(int xopenType) { switch(xopenType) // return the name of the given xopen type { case Types.BIT: return "bit"; case Types.TINYINT: return "tinyint"; case Types.SMALLINT: return "smallint"; case Types.INTEGER: return "integer"; case Types.BIGINT: return "bigint"; case Types.FLOAT: return "float"; case Types.REAL: return "real"; case Types.DOUBLE: return "double"; case Types.NUMERIC: return "numeric"; case Types.DECIMAL: return "decimal"; case Types.CHAR: return "char"; case Types.VARCHAR: return "varchar"; case Types.LONGVARCHAR: return "longvarchar"; case Types.DATE: return "date"; case Types.TIME: return "time"; case Types.TIMESTAMP: return "timestamp"; case Types.BINARY: return "binary"; case Types.VARBINARY: return "varbinary"; case Types.LONGVARBINARY: return "longvarbinary"; case Types.NULL: return "null"; case Types.OTHER: return "other"; } // DriverManager.println("InformixColumnMetaData.xopenName - xopenType " + xopenType + " is unknown"); return "OTHER"; // we don't know the name of this type }
int	getMetaScale() What's a column's metanumber of digits to right of decimal?
static InformixColumnMetaData[]	getOrderedTypeInfo()
int	getPrecision() What's a column's number of decimal digits?
int	getScale() What's a column's number of digits to right of decimal?
java.lang.String	getSchemaName() What's a column's table's schema?
int	getSize() Get the size of the column
java.lang.String	getTableName() What's a column's table name?
static InformixColumnMetaData[]	getTypeInfo()
boolean	isAutoIncrement() Is the column automatically numbered, thus read-only?
boolean	isCaseSensitive() Does a column's case matter?
boolean	isCurrency() Is the column a cash value?
boolean	isDefinitelyWritable() Will a write on the column definitely succeed?
int	isNullable() Can you put a NULL in this column?
boolean	isReadOnly() Is a column definitely not writable?
boolean	isSearchable() Can the column be used in a where clause?
boolean	isSigned() Is the column a signed number?
boolean	isWritable() Is it possible for a write on the column to succeed?
protected void	readMetaData(SimpleInputStream inReply) Read the metadata info from the stream
protected void	setFlag(int iFlag, boolean enable) Turn on or off one of the flags for this type.
void	setName(java.lang.String iName) Set the name of this column, could be an empty string if not defined.
protected void	setPrecision(int iPrecision, int iScale) Set the precision (total number of digits) and the scale (number of decimal digits) of this type.
protected void	setSize(int iSize) Change the size of the column, if kVariable or kNullable size could change at run time, could be 0 if sql null.
java.lang.String	toString()
static InformixColumnMetaData	typeInfoFor(int inInformixType)
static void	updateTypes(weblogic.jdbc.informix4.Connection iConnection)

Methods inherited from class java.lang.Object

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

Field Detail

leadIntervalDigits

protected int leadIntervalDigits

totalIntervalDigits

protected int totalIntervalDigits

totalIntervalBytes

protected int totalIntervalBytes

Method Detail

readMetaData

protected void readMetaData(SimpleInputStream inReply)
                     throws java.io.IOException,
                            java.sql.SQLException

Read the metadata info from the stream

setSize

protected void setSize(int iSize)

Change the size of the column, if kVariable or kNullable size could change at run time, could be 0 if sql null.

getSize

public int getSize()

Get the size of the column

setName

public void setName(java.lang.String iName)

Set the name of this column, could be an empty string if not defined.

setPrecision

protected void setPrecision(int iPrecision,
                            int iScale)

Set the precision (total number of digits) and the scale (number of decimal digits) of this type.

setFlag

protected void setFlag(int iFlag,
                       boolean enable)

Turn on or off one of the flags for this type.

getFlag

protected boolean getFlag(int iFlag)

isAutoIncrement

public boolean isAutoIncrement()

Is the column automatically numbered, thus read-only?

isCaseSensitive

public boolean isCaseSensitive()

Does a column's case matter?

isSearchable

public boolean isSearchable()

Can the column be used in a where clause?

isCurrency

public boolean isCurrency()

Is the column a cash value?

isNullable

public int isNullable()

Can you put a NULL in this column?

isSigned

public boolean isSigned()

Is the column a signed number?

getColumnDisplaySize

public int getColumnDisplaySize()

What's the column's normal max width in chars?

getColumnLabel

public java.lang.String getColumnLabel()

What's the suggested column title for use in printouts and displays?

getColumnName

public java.lang.String getColumnName()

What's a column's name?

getPrecision

public int getPrecision()

What's a column's number of decimal digits?

getDefPrecision

public int getDefPrecision()

What's a column's default precision value?

getScale

public int getScale()

What's a column's number of digits to right of decimal?

getMetaScale

public int getMetaScale()

What's a column's metanumber of digits to right of decimal?

getSchemaName

public java.lang.String getSchemaName()

What's a column's table's schema?

getTableName

public java.lang.String getTableName()

What's a column's table name?

getCatalogName

public java.lang.String getCatalogName()

What's a column's table's catalog name?

getColumnType

public int getColumnType()

What's a column's SQL type?

getInformixColumnType

public int getInformixColumnType()

What's a column's SQL type?

getInformixTypeName

public java.lang.String getInformixTypeName()

What's a column's informix column name. Only works with types table.?

getColumnTypeName

public java.lang.String getColumnTypeName()

What's a column's data source specific type name?

isReadOnly

public boolean isReadOnly()

Is a column definitely not writable?

isWritable

public boolean isWritable()

Is it possible for a write on the column to succeed?

isDefinitelyWritable

public boolean isDefinitelyWritable()

Will a write on the column definitely succeed?

getEncoding

public java.lang.String getEncoding()

Returns encoding method (character set) same as statement's.

typeInfoFor

public static InformixColumnMetaData typeInfoFor(int inInformixType)

getOrderedTypeInfo

public static InformixColumnMetaData[] getOrderedTypeInfo()

getTypeInfo

public static InformixColumnMetaData[] getTypeInfo()

updateTypes

public static void updateTypes(weblogic.jdbc.informix4.Connection iConnection)

getMeta

protected static final InformixColumnMetaData getMeta(int informixType)
                                               throws java.sql.SQLException

protected final static String xopenName(int xopenType) { switch(xopenType) // return the name of the given xopen type { case Types.BIT: return "bit"; case Types.TINYINT: return "tinyint"; case Types.SMALLINT: return "smallint"; case Types.INTEGER: return "integer"; case Types.BIGINT: return "bigint"; case Types.FLOAT: return "float"; case Types.REAL: return "real"; case Types.DOUBLE: return "double"; case Types.NUMERIC: return "numeric"; case Types.DECIMAL: return "decimal"; case Types.CHAR: return "char"; case Types.VARCHAR: return "varchar"; case Types.LONGVARCHAR: return "longvarchar"; case Types.DATE: return "date"; case Types.TIME: return "time"; case Types.TIMESTAMP: return "timestamp"; case Types.BINARY: return "binary"; case Types.VARBINARY: return "varbinary"; case Types.LONGVARBINARY: return "longvarbinary"; case Types.NULL: return "null"; case Types.OTHER: return "other"; } // DriverManager.println("InformixColumnMetaData.xopenName - xopenType " + xopenType + " is unknown"); return "OTHER"; // we don't know the name of this type }

clone

public java.lang.Object clone()

Overrides:

clone in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object