IfxResultSetMetaData (com.informix.jdbc 4.1.0-SNAPSHOT API)

java.lang.Object
- com.informix.jdbc.IfxResultSetMetaData

All Implemented Interfaces:

IfmxResultSetMetaData, java.sql.ResultSetMetaData, java.sql.Wrapper
```
public class IfxResultSetMetaData
extends java.lang.Object
implements IfmxResultSetMetaData
```
A ResultSetMetaData object can be used to find out about the types and properties of the columns in a ResultSet. ResultSetMetaData is a supplement of ResultSet to handle Column related information. Each ResultSet object can have either zero or one corresponding ResultSetMetaData object. Each ResultSetMetaData object will hold all column information in object instant variables. These instant variables got initialized by calling ResultSet object method getMetaData(). It will use protocal layer and issue an describe to database and get all column information. Fill these information into the ResultSetMetaData object. All the methods in ResultSetMetaData class just retrieve information from its instant variables and return to caller. One setColumnInfo(column) method for protocol layer to set these instant variables. Note: The only way to create ResultSetMetaData object is through calling ResultSet.getMetaData() method.

Field Summary

Fields
Modifier and Type	Field and Description
`protected IfxConnection`	`conn`
`protected boolean`	`delimIdent`
`protected boolean`	`hasVariableLengthCharColumns`
`protected boolean`	`hasVariableLengthColumns`
`protected int`	`rowidx`
`protected int`	`serialidx`
`protected Trace`	`trace`

Fields inherited from interface java.sql.ResultSetMetaData
columnNoNulls, columnNullable, columnNullableUnknown

Constructor Summary

Constructors
Constructor and Description

IfxResultSetMetaData(int numcol, IfxConnection thisconn)
Constructor to allocate spaces

Constructors
Constructor and Description
`IfxResultSetMetaData(int numcol, IfxConnection thisconn)` Constructor to allocate spaces

Method Summary

Methods
Modifier and Type	Method and Description
`void`	`cloneColumnInfo(int colnum, IfxColumnInfo from)`
`protected int`	`findrowid()` Used by ResultSet() in order to support updatable cursors.
`protected java.lang.String`	`findserial()` Used by ResultSet() in order to support updatable cursors.
`int`	`getAlignment(int column)` What's the Column's alignment?
`java.lang.String`	`getCatalogName(int column)` What's a column's table's catalog name? Not supported!
`IfmxResultSetMetaData`	`getChild(int column)` What's the Column's child complex type information for a nested complex type.
`java.lang.String`	`getColumnClassName(int column)` JDBC 2.0
`int`	`getColumnCount()` What's the number of columns in the ResultSet?
`int`	`getColumnDisplaySize(int column)` What's the column's normal max width in chars?
`int`	`getColumnExtendedId(int column)` What's the Column's extended id?
`java.util.Vector<IfxColumnInfo>`	`getColumnInfoVector()`
`java.lang.String`	`getColumnLabel(int column)` What's the suggested column title for use in printouts and displays?
`int`	`getColumnLength(int column)` What's the Column Length for this column?
`java.lang.String`	`getColumnName(int column)` What's a column's name?
`int`	`getColumnStartPosition(int column)` What's the Column's starting position in the tuple?
`int`	`getColumnType(int column)` What's a column's SQL type?
`java.lang.String`	`getColumnTypeName(int column)` What's a column's data source specific type name?
`IfxConnection`	`getConnection()`
`boolean`	`getDelimIdent()`
`int`	`getEncodedLength(int column)` What's the column's encoded Length?
`java.lang.String`	`getExtendedName(int column)` What's the Column's extended name?
`java.lang.String`	`getExtendedOwnerName(int column)` What's the Column's extended type's owner name?
`short`	`getFieldNo(int column)` What's the Column's Field number?
`int`	`getIfxColumnType(int column)` What's a column's Informix SQL type?
`short`	`getLevelNo(int column)` What's the Column's Level number?
`protected int`	`getMode(int colnum)`
`short`	`getParentNo(int column)` What's the Column's Parent number?
`int`	`getPrecision(int column)` What's a column's number of decimal digits?
`short`	`getReference(int column)` What's the Column's reference type?
`int`	`getScale(int column)` What's a column's number of digits to right of the decimal point?
`java.lang.String`	`getSchemaName(int column)` What's a column's table's schema?
`short`	`getSeqNo(int column)` What's the Column's Sequence number?
`int`	`getSourceType(int column)` What's the Column's SourceType?
`java.lang.String`	`getTableName(int column)` What's a column's table name?
`protected short`	`getTupleSize()` Return the size of one row
`boolean`	`isAutoIncrement(int column)` Is the column automatically numbered, thus read-only? If it is Informix SERIAL data type ? Examine SQLtype of the column.
`boolean`	`isCaseSensitive(int column)` Does a column's case matter?
`boolean`	`isCurrency(int column)` Is the column a cash value?
`boolean`	`isDefinitelyWritable(int column)` Will a write on the column definitely succeed?
`boolean`	`isDistinct(int column)` Is the column a distinct type?
`boolean`	`isNamedRow(int column)` Is the column a named row type?
`int`	`isNullable(int column)` Can you put a NULL in this column?
`boolean`	`isReadOnly(int column)` Is a column definitely not writable?
`boolean`	`isSearchable(int column)` Can the column be used in a where clause?
`boolean`	`isSigned(int column)` Is the column a signed number?
`boolean`	`isVariableLengthType(int colnum)`
`boolean`	`isWrapperFor(java.lang.Class<?> iface)`
`boolean`	`isWritable(int column)` Is it possible for a write on the column to succeed?
`void`	`parseSetTableName(java.lang.String command)`
`static java.lang.String`	`parseTableName(java.lang.String command)` parseTableName Given the command string, get the table name out of it by looking for the identifier after certain words.
`void`	`setAutoIncrement(int colnum, short ai)`
`void`	`setColumnCount(int numcol)`
`void`	`setColumnName(int colnum, java.lang.String Xname)`
`void`	`setDataSourceName(int colnum, java.lang.String Xstype)`
`void`	`setDecimalDigits(int colnum, int Xdigits)`
`void`	`setDelimIdent(boolean value)`
`void`	`setEncodedLength(int colnum, int len)`
`void`	`setIfxColumnType(int colnum, int Xtype)`
`protected void`	`setMode(int colnum, int modeVal)`
`void`	`setNullable(int colnum, int Xnull)`
`void`	`setRightDecimal(int colnum, int Xright)`
`void`	`setTableName(int colnum, java.lang.String Xtname)`
`void`	`setTextByteColumnCount()`
`protected void`	`setTupleSize(short size)` Store the size of one row returned by the server
`static boolean`	`setTypeBooleanFields(IfxColumnInfo cinfo, int Xtype)`
`<T> T`	`unwrap(java.lang.Class<T> iface)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - hasVariableLengthColumns
```
protected boolean hasVariableLengthColumns
```
  - hasVariableLengthCharColumns
```
protected boolean hasVariableLengthCharColumns
```
  - delimIdent
```
protected boolean delimIdent
```
  - conn
```
protected IfxConnection conn
```
  - trace
```
protected Trace trace
```
  - serialidx
```
protected int serialidx
```
  - rowidx
```
protected int rowidx
```
- Constructor Detail
  - IfxResultSetMetaData
```
public IfxResultSetMetaData(int numcol,
                    IfxConnection thisconn)
```
    Constructor to allocate spaces
- Method Detail
  - getColumnInfoVector
```
public java.util.Vector<IfxColumnInfo> getColumnInfoVector()
                                                    throws java.sql.SQLException
```
    Throws:
    
    java.sql.SQLException
  - getColumnCount
```
public int getColumnCount()
                   throws java.sql.SQLException
```
    What's the number of columns in the ResultSet?
    
    Specified by:
    
    getColumnCount in interface java.sql.ResultSetMetaData
    
    Returns:
    the number
    
    Throws:
    
    java.sql.SQLException
  - getColumnLength
```
public int getColumnLength(int column)
                    throws java.sql.SQLException
```
    What's the Column Length for this column?
    
    Throws:
    
    java.sql.SQLException
  - getColumnStartPosition
```
public int getColumnStartPosition(int column)
                           throws java.sql.SQLException
```
    What's the Column's starting position in the tuple?
    
    Specified by:
    
    getColumnStartPosition in interface IfmxResultSetMetaData
    
    Parameters:
    column - the first column is 1, the second is 2, ...
    
    Returns:
    The column's start position.
    
    Throws:
    
    java.sql.SQLException - if a database access error occurs
  - getColumnExtendedId
```
public int getColumnExtendedId(int column)
                        throws java.sql.SQLException
```
    What's the Column's extended id?
    
    Specified by:
    
    getColumnExtendedId in interface IfmxResultSetMetaData
    
    Parameters:
    column - the first column is 1, the second is 2, ...
    
    Returns:
    The extended id.
    
    Throws:
    
    java.sql.SQLException - if a database access error occurs
  - getExtendedName
```
public java.lang.String getExtendedName(int column)
                                 throws java.sql.SQLException
```
    What's the Column's extended name?
    
    Specified by:
    
    getExtendedName in interface IfmxResultSetMetaData
    
    Parameters:
    column - the first column is 1, the second is 2, ...
    
    Returns:
    The extended type name.
    
    Throws:
    
    java.sql.SQLException - if a database access error occurs
  - getExtendedOwnerName
```
public java.lang.String getExtendedOwnerName(int column)
                                      throws java.sql.SQLException
```
    What's the Column's extended type's owner name?
    
    Specified by:
    
    getExtendedOwnerName in interface IfmxResultSetMetaData
    
    Parameters:
    column - the first column is 1, the second is 2, ...
    
    Returns:
    The owner name.
    
    Throws:
    
    java.sql.SQLException - if a database access error occurs
  - getReference
```
public short getReference(int column)
                   throws java.sql.SQLException
```
    What's the Column's reference type?
    
    Specified by:
    
    getReference in interface IfmxResultSetMetaData
    
    Parameters:
    column - the first column is 1, the second is 2, ...
    
    Returns:
    The reference type.
    
    Throws:
    
    java.sql.SQLException - if a database access error occurs
  - getAlignment
```
public int getAlignment(int column)
                 throws java.sql.SQLException
```
    What's the Column's alignment?
    
    Specified by:
    
    getAlignment in interface IfmxResultSetMetaData
    
    Parameters:
    column - the first column is 1, the second is 2, ...
    
    Returns:
    The alignment.
    
    Throws:
    
    java.sql.SQLException - if a database access error occurs
  - getSourceType
```
public int getSourceType(int column)
                  throws java.sql.SQLException
```
    What's the Column's SourceType?
    
    Specified by:
    
    getSourceType in interface IfmxResultSetMetaData
    
    Parameters:
    column - the first column is 1, the second is 2, ...
    
    Returns:
    The source type.
    
    Throws:
    
    java.sql.SQLException - if a database access error occurs
  - isAutoIncrement
```
public boolean isAutoIncrement(int column)
                        throws java.sql.SQLException
```
    Is the column automatically numbered, thus read-only? If it is Informix SERIAL data type ? Examine SQLtype of the column.
    
    Specified by:
    
    isAutoIncrement in interface java.sql.ResultSetMetaData
    
    Parameters:
    column - the first column is 1, the second is 2, ...
    
    Returns:
    true if so
    
    Throws:
    
    java.sql.SQLException
  - isCaseSensitive
```
public boolean isCaseSensitive(int column)
                        throws java.sql.SQLException
```
    Does a column's case matter?
    
    Specified by:
    
    isCaseSensitive in interface java.sql.ResultSetMetaData
    
    Parameters:
    column - the first column is 1, the second is 2, ...
    
    Returns:
    true if so
    
    Throws:
    
    java.sql.SQLException
  - isSearchable
```
public boolean isSearchable(int column)
                     throws java.sql.SQLException
```
    Can the column be used in a where clause?
    
    Specified by:
    
    isSearchable in interface java.sql.ResultSetMetaData
    
    Parameters:
    column - the first column is 1, the second is 2, ...
    
    Returns:
    true if so
    
    Throws:
    
    java.sql.SQLException
  - isCurrency
```
public boolean isCurrency(int column)
                   throws java.sql.SQLException
```
    Is the column a cash value?
    
    Specified by:
    
    isCurrency in interface java.sql.ResultSetMetaData
    
    Parameters:
    column - the first column is 1, the second is 2, ...
    
    Returns:
    true if so
    
    Throws:
    
    java.sql.SQLException
  - isNullable
```
public int isNullable(int column)
               throws java.sql.SQLException
```
    Can you put a NULL in this column?
    
    Specified by:
    
    isNullable in interface java.sql.ResultSetMetaData
    
    Parameters:
    column - the first column is 1, the second is 2, ...
    
    Returns:
    columnNoNulls, columnNullable or columnNullableUnknown
    
    Throws:
    
    java.sql.SQLException
  - isSigned
```
public boolean isSigned(int column)
                 throws java.sql.SQLException
```
    Is the column a signed number?
    
    Specified by:
    
    isSigned in interface java.sql.ResultSetMetaData
    
    Parameters:
    column - the first column is 1, the second is 2, ...
    
    Returns:
    true if so
    
    Throws:
    
    java.sql.SQLException
  - getColumnDisplaySize
```
public int getColumnDisplaySize(int column)
                         throws java.sql.SQLException
```
    What's the column's normal max width in chars?
    
    Specified by:
    
    getColumnDisplaySize in interface java.sql.ResultSetMetaData
    
    Parameters:
    column - the first column is 1, the second is 2, ...
    
    Returns:
    max width
    
    Throws:
    
    java.sql.SQLException
  - getColumnLabel
```
public java.lang.String getColumnLabel(int column)
                                throws java.sql.SQLException
```
    What's the suggested column title for use in printouts and displays?
    
    Specified by:
    
    getColumnLabel in interface java.sql.ResultSetMetaData
    
    Parameters:
    column - the first column is 1, the second is 2, ...
    
    Returns:
    true if so
    
    Throws:
    
    java.sql.SQLException
  - getColumnName
```
public java.lang.String getColumnName(int column)
                               throws java.sql.SQLException
```
    What's a column's name?
    
    Specified by:
    
    getColumnName in interface java.sql.ResultSetMetaData
    
    Parameters:
    column - the first column is 1, the second is 2, ...
    
    Returns:
    column name
    
    Throws:
    
    java.sql.SQLException
  - getSchemaName
```
public java.lang.String getSchemaName(int column)
                               throws java.sql.SQLException
```
    What's a column's table's schema?
    
    Specified by:
    
    getSchemaName in interface java.sql.ResultSetMetaData
    
    Parameters:
    column - the first column is 1, the second is 2, ...
    
    Returns:
    schema name or "" if not applicable
    
    Throws:
    
    java.sql.SQLException
  - getPrecision
```
public int getPrecision(int column)
                 throws java.sql.SQLException
```
    What's a column's number of decimal digits?
    
    Specified by:
    
    getPrecision in interface java.sql.ResultSetMetaData
    
    Parameters:
    column - the first column is 1, the second is 2, ...
    
    Returns:
    precision
    
    Throws:
    
    java.sql.SQLException
  - getEncodedLength
```
public int getEncodedLength(int column)
                     throws java.sql.SQLException
```
    What's the column's encoded Length?
    
    Specified by:
    
    getEncodedLength in interface IfmxResultSetMetaData
    
    Parameters:
    column - the first column is 1, the second is 2, ...
    
    Returns:
    The column's encoded length.
    
    Throws:
    
    java.sql.SQLException - if a database access error occurs
  - getScale
```
public int getScale(int column)
             throws java.sql.SQLException
```
    What's a column's number of digits to right of the decimal point?
    
    Specified by:
    
    getScale in interface java.sql.ResultSetMetaData
    
    Parameters:
    column - the first column is 1, the second is 2, ...
    
    Returns:
    scale
    
    Throws:
    
    java.sql.SQLException
  - getTableName
```
public java.lang.String getTableName(int column)
                              throws java.sql.SQLException
```
    What's a column's table name?
    
    Specified by:
    
    getTableName in interface java.sql.ResultSetMetaData
    
    Returns:
    table name or "" if not applicable
    
    Throws:
    
    java.sql.SQLException
  - getCatalogName
```
public java.lang.String getCatalogName(int column)
                                throws java.sql.SQLException
```
    What's a column's table's catalog name? Not supported!
    
    Specified by:
    
    getCatalogName in interface java.sql.ResultSetMetaData
    
    Parameters:
    column - the first column is 1, the second is 2, ...
    
    Returns:
    column name or "" if not applicable.
    
    Throws:
    
    java.sql.SQLException
  - getColumnType
```
public int getColumnType(int column)
                  throws java.sql.SQLException
```
    What's a column's SQL type?
    
    Specified by:
    
    getColumnType in interface java.sql.ResultSetMetaData
    
    Parameters:
    column - the first column is 1, the second is 2, ...
    
    Returns:
    SQL type
    
    Throws:
    
    java.sql.SQLException
    See Also:
    Types
  - getIfxColumnType
```
public int getIfxColumnType(int column)
                     throws java.sql.SQLException
```
    What's a column's Informix SQL type?
    
    Specified by:
    
    getIfxColumnType in interface IfmxResultSetMetaData
    
    Parameters:
    column - the first column is 1, the second is 2, ...
    
    Returns:
    SQL type
    
    Throws:
    
    java.sql.SQLException - if a database access error occurs
    See Also:
    Types
  - getColumnTypeName
```
public java.lang.String getColumnTypeName(int column)
                                   throws java.sql.SQLException
```
    What's a column's data source specific type name?
    
    Specified by:
    
    getColumnTypeName in interface java.sql.ResultSetMetaData
    
    Parameters:
    column - the first column is 1, the second is 2, ...
    
    Returns:
    type name
    
    Throws:
    
    java.sql.SQLException
  - isReadOnly
```
public boolean isReadOnly(int column)
                   throws java.sql.SQLException
```
    Is a column definitely not writable?
    
    Specified by:
    
    isReadOnly in interface java.sql.ResultSetMetaData
    
    Parameters:
    column - the first column is 1, the second is 2, ...
    
    Returns:
    true if so
    
    Throws:
    
    java.sql.SQLException
  - isWritable
```
public boolean isWritable(int column)
                   throws java.sql.SQLException
```
    Is it possible for a write on the column to succeed?
    
    Specified by:
    
    isWritable in interface java.sql.ResultSetMetaData
    
    Parameters:
    column - the first column is 1, the second is 2, ...
    
    Returns:
    true if so
    
    Throws:
    
    java.sql.SQLException
  - isDefinitelyWritable
```
public boolean isDefinitelyWritable(int column)
                             throws java.sql.SQLException
```
    Will a write on the column definitely succeed?
    
    Specified by:
    
    isDefinitelyWritable in interface java.sql.ResultSetMetaData
    
    Parameters:
    column - the first column is 1, the second is 2, ...
    
    Returns:
    true if so
    
    Throws:
    
    java.sql.SQLException
  - isDistinct
```
public boolean isDistinct(int column)
                   throws java.sql.SQLException
```
    Is the column a distinct type?
    
    Specified by:
    
    isDistinct in interface IfmxResultSetMetaData
    
    Parameters:
    column - the first column is 1, the second is 2, ...
    
    Returns:
    true if so
    
    Throws:
    
    java.sql.SQLException - if a database access error occurs
  - isNamedRow
```
public boolean isNamedRow(int column)
                   throws java.sql.SQLException
```
    Is the column a named row type?
    
    Specified by:
    
    isNamedRow in interface IfmxResultSetMetaData
    
    Parameters:
    column - the first column is 1, the second is 2, ...
    
    Returns:
    true if so
    
    Throws:
    
    java.sql.SQLException - if a database access error occurs
  - getChild
```
public IfmxResultSetMetaData getChild(int column)
                               throws java.sql.SQLException
```
    What's the Column's child complex type information for a nested complex type.
    
    Specified by:
    
    getChild in interface IfmxResultSetMetaData
    
    Parameters:
    column - the first column is 1, the second is 2, ...
    
    Returns:
    The child.
    
    Throws:
    
    java.sql.SQLException
  - getLevelNo
```
public short getLevelNo(int column)
                 throws java.sql.SQLException
```
    What's the Column's Level number?
    
    Specified by:
    
    getLevelNo in interface IfmxResultSetMetaData
    
    Parameters:
    column - the first column is 1, the second is 2, ...
    
    Returns:
    level no.
    
    Throws:
    
    java.sql.SQLException - if a database access error occurs
  - getSeqNo
```
public short getSeqNo(int column)
               throws java.sql.SQLException
```
    What's the Column's Sequence number?
    
    Specified by:
    
    getSeqNo in interface IfmxResultSetMetaData
    
    Parameters:
    column - the first column is 1, the second is 2, ...
    
    Returns:
    seq no.
    
    Throws:
    
    java.sql.SQLException - if a database access error occurs
  - getParentNo
```
public short getParentNo(int column)
                  throws java.sql.SQLException
```
    What's the Column's Parent number?
    
    Specified by:
    
    getParentNo in interface IfmxResultSetMetaData
    
    Parameters:
    column - the first column is 1, the second is 2, ...
    
    Returns:
    parent no.
    
    Throws:
    
    java.sql.SQLException - if a database access error occurs
  - getFieldNo
```
public short getFieldNo(int column)
                 throws java.sql.SQLException
```
    What's the Column's Field number?
    
    Specified by:
    
    getFieldNo in interface IfmxResultSetMetaData
    
    Parameters:
    column - the first column is 1, the second is 2, ...
    
    Returns:
    field no.
    
    Throws:
    
    java.sql.SQLException - if a database access error occurs
  - setEncodedLength
```
public void setEncodedLength(int colnum,
                    int len)
                      throws java.sql.SQLException
```
    Throws:
    
    java.sql.SQLException
  - setNullable
```
public void setNullable(int colnum,
               int Xnull)
                 throws java.sql.SQLException
```
    Throws:
    
    java.sql.SQLException
  - setAutoIncrement
```
public void setAutoIncrement(int colnum,
                    short ai)
                      throws java.sql.SQLException
```
    Throws:
    
    java.sql.SQLException
  - setColumnName
```
public void setColumnName(int colnum,
                 java.lang.String Xname)
                   throws java.sql.SQLException
```
    Throws:
    
    java.sql.SQLException
  - setDecimalDigits
```
public void setDecimalDigits(int colnum,
                    int Xdigits)
                      throws java.sql.SQLException
```
    Throws:
    
    java.sql.SQLException
  - setRightDecimal
```
public void setRightDecimal(int colnum,
                   int Xright)
                     throws java.sql.SQLException
```
    Throws:
    
    java.sql.SQLException
  - setTableName
```
public void setTableName(int colnum,
                java.lang.String Xtname)
                  throws java.sql.SQLException
```
    Throws:
    
    java.sql.SQLException
  - isVariableLengthType
```
public boolean isVariableLengthType(int colnum)
                             throws java.sql.SQLException
```
    Throws:
    
    java.sql.SQLException
  - setIfxColumnType
```
public void setIfxColumnType(int colnum,
                    int Xtype)
                      throws java.sql.SQLException
```
    Throws:
    
    java.sql.SQLException
  - setTypeBooleanFields
```
public static boolean setTypeBooleanFields(IfxColumnInfo cinfo,
                           int Xtype)
```
  - setDataSourceName
```
public void setDataSourceName(int colnum,
                     java.lang.String Xstype)
                       throws java.sql.SQLException
```
    Throws:
    
    java.sql.SQLException
  - setColumnCount
```
public void setColumnCount(int numcol)
                    throws java.sql.SQLException
```
    Throws:
    
    java.sql.SQLException
  - setDelimIdent
```
public void setDelimIdent(boolean value)
```
  - getDelimIdent
```
public boolean getDelimIdent()
```
  - getConnection
```
public IfxConnection getConnection()
```
  - cloneColumnInfo
```
public void cloneColumnInfo(int colnum,
                   IfxColumnInfo from)
                     throws java.sql.SQLException
```
    Throws:
    
    java.sql.SQLException
  - getColumnClassName
```
public java.lang.String getColumnClassName(int column)
                                    throws java.sql.SQLException
```
    JDBC 2.0
    Return the fully qualified name of the Java class whose instances are manufactured if ResultSet.getObject() is called to retrieve a value from the column. ResultSet.getObject() may return a subClass of the class returned by this method.
    
    Specified by:
    
    getColumnClassName in interface java.sql.ResultSetMetaData
    
    Throws:
    
    java.sql.SQLException
  - setTextByteColumnCount
```
public void setTextByteColumnCount()
                            throws java.sql.SQLException
```
    Throws:
    
    java.sql.SQLException
  - parseTableName
```
public static java.lang.String parseTableName(java.lang.String command)
```
    parseTableName Given the command string, get the table name out of it by looking for the identifier after certain words. Note that if the user has a database object called 'from', this parser is not smart enough to figure that out and eventually may cause ambiguity problems. We'll need to document this. Conforming to JDBC API reference manual, in case of select queries involving joins or in case of queries where no table name is involved we return an empty string. Also , if we can not determine table name for any reason , we return an empty string. If server implements FEA#165847 we may not have to parse the query at client end any more. Following are known cases (as of now !) which are not handled correctly by this method " UPDATE ONLY(super_tab) WHERE ....." "SELECT * FROM ONLY(super_tab)" Table name returned is "ONLY(super_tab)" "SELECT part_number, COUNT(*) * 100 AS how_many FROM 1000000 SAMPLES OF parts_sold GROUP BY part_number;" Table name returned is "1000000"
  - parseSetTableName
```
public void parseSetTableName(java.lang.String command)
                       throws java.sql.SQLException
```
    Throws:
    
    java.sql.SQLException
  - findrowid
```
protected int findrowid()
                 throws java.sql.SQLException
```
    Used by ResultSet() in order to support updatable cursors. This method returns the index of the column name 'rowid' if used specifically by the user in their query. This method also sets the local variable 'rowidx' to the index of the column within the resultset.
    
    Throws:
    
    java.sql.SQLException
  - findserial
```
protected java.lang.String findserial()
                               throws java.sql.SQLException
```
    Used by ResultSet() in order to support updatable cursors. This method returns the column name when the column type of serial or serial8 is used specifically by the user in their query. It also sets the local variable serialidx to the index of the serial column within the resultset.
    
    Throws:
    
    java.sql.SQLException
  - setTupleSize
```
protected void setTupleSize(short size)
```
    Store the size of one row returned by the server
  - getTupleSize
```
protected short getTupleSize()
```
    Return the size of one row
  - getMode
```
protected int getMode(int colnum)
               throws java.sql.SQLException
```
    Throws:
    
    java.sql.SQLException
  - setMode
```
protected void setMode(int colnum,
           int modeVal)
                throws java.sql.SQLException
```
    Throws:
    
    java.sql.SQLException
  - isWrapperFor
```
public boolean isWrapperFor(java.lang.Class<?> iface)
                     throws java.sql.SQLException
```
    Specified by:
    
    isWrapperFor in interface java.sql.Wrapper
    
    Throws:
    
    java.sql.SQLException
  - unwrap
```
public <T> T unwrap(java.lang.Class<T> iface)
         throws java.sql.SQLException
```
    Specified by:
    
    unwrap in interface java.sql.Wrapper
    
    Throws:
    
    java.sql.SQLException

Class IfxResultSetMetaData

Field Summary

Fields inherited from interface java.sql.ResultSetMetaData

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

hasVariableLengthColumns

hasVariableLengthCharColumns

delimIdent

conn

trace

serialidx

rowidx

Constructor Detail

IfxResultSetMetaData

Method Detail

getColumnInfoVector

getColumnCount

getColumnLength

getColumnStartPosition

getColumnExtendedId

getExtendedName

getExtendedOwnerName

getReference

getAlignment

getSourceType

isAutoIncrement

isCaseSensitive

isSearchable

isCurrency

isNullable

isSigned

getColumnDisplaySize

getColumnLabel

getColumnName

getSchemaName

getPrecision

getEncodedLength

getScale

getTableName

getCatalogName

getColumnType

getIfxColumnType

getColumnTypeName

isReadOnly

isWritable

isDefinitelyWritable

isDistinct

isNamedRow

getChild

getLevelNo

getSeqNo

getParentNo

getFieldNo

setEncodedLength

setNullable

setAutoIncrement

setColumnName

setDecimalDigits

setRightDecimal

setTableName

isVariableLengthType

setIfxColumnType

setTypeBooleanFields

setDataSourceName

setColumnCount

setDelimIdent

getDelimIdent

getConnection

cloneColumnInfo

getColumnClassName

setTextByteColumnCount

parseTableName

parseSetTableName

findrowid

findserial

setTupleSize

getTupleSize

getMode