PgResultSetMetaData (PostgreSQL JDBC Driver aggregate 42.2.2 API)

java.lang.Object
- org.postgresql.jdbc.PgResultSetMetaData

All Implemented Interfaces:: java.sql.ResultSetMetaData, java.sql.Wrapper, PGResultSetMetaData

public class PgResultSetMetaData
extends java.lang.Object
implements java.sql.ResultSetMetaData, PGResultSetMetaData

Field Summary

Fields
Modifier and Type Field and Description

protected BaseConnection connection

protected Field[] fields
- Fields inherited from interface java.sql.ResultSetMetaData
  columnNoNulls, columnNullable, columnNullableUnknown

Fields
Modifier and Type	Field and Description
`protected BaseConnection`	`connection`
`protected Field[]`	`fields`

Constructor Summary

Constructors
Constructor and Description

PgResultSetMetaData(BaseConnection connection, Field[] fields)

Constructors
Constructor and Description
`PgResultSetMetaData(BaseConnection connection, Field[] fields)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`java.lang.String`	`getBaseColumnName(int column)` Returns the underlying column name of a query result, or "" if it is unable to be determined.
`java.lang.String`	`getBaseSchemaName(int column)` Returns the underlying schema name of query result, or "" if it is unable to be determined.
`java.lang.String`	`getBaseTableName(int column)` Returns the underlying table name of query result, or "" if it is unable to be determined.
`java.lang.String`	`getCatalogName(int column)`
`java.lang.String`	`getColumnClassName(int column)` Returns the fully-qualified name of the Java class whose instances are manufactured if the method `ResultSet.getObject` is called to retrieve a value from the column.
`int`	`getColumnCount()`
`int`	`getColumnDisplaySize(int column)`
`java.lang.String`	`getColumnLabel(int column)`
`java.lang.String`	`getColumnName(int column)`
`int`	`getColumnType(int column)`
`java.lang.String`	`getColumnTypeName(int column)`
`protected Field`	`getField(int columnIndex)`
`int`	`getFormat(int column)` Is a column Text or Binary?
`protected java.lang.String`	`getPGType(int columnIndex)`
`int`	`getPrecision(int column)`
`int`	`getScale(int column)`
`java.lang.String`	`getSchemaName(int column)`
`protected int`	`getSQLType(int columnIndex)`
`java.lang.String`	`getTableName(int column)`
`boolean`	`isAutoIncrement(int column)`
`boolean`	`isCaseSensitive(int column)`
`boolean`	`isCurrency(int column)`
`boolean`	`isDefinitelyWritable(int column)`
`int`	`isNullable(int column)`
`boolean`	`isReadOnly(int column)`
`boolean`	`isSearchable(int column)`
`boolean`	`isSigned(int column)`
`boolean`	`isWrapperFor(java.lang.Class<?> iface)`
`boolean`	`isWritable(int column)`
`<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
  - connection
```
protected final BaseConnection connection
```
  - fields
```
protected final Field[] fields
```
- Constructor Detail
  - PgResultSetMetaData
```
public PgResultSetMetaData(BaseConnection connection,
                           Field[] fields)
```
- Method Detail
  - getColumnCount
```
public int getColumnCount()
                   throws java.sql.SQLException
```
    Specified by:
    
    getColumnCount in interface java.sql.ResultSetMetaData
    
    Throws:
    
    java.sql.SQLException
  - isAutoIncrement
```
public boolean isAutoIncrement(int column)
                        throws java.sql.SQLException
```
    Specified by:
    
    isAutoIncrement in interface java.sql.ResultSetMetaData
    
    Throws:
    
    java.sql.SQLException
  - isCaseSensitive
```
public boolean isCaseSensitive(int column)
                        throws java.sql.SQLException
```
    Specified by:
    
    isCaseSensitive in interface java.sql.ResultSetMetaData
    
    Throws:
    
    java.sql.SQLException
  - isSearchable
```
public boolean isSearchable(int column)
                     throws java.sql.SQLException
```
    Specified by:
    
    isSearchable in interface java.sql.ResultSetMetaData
    
    Throws:
    
    java.sql.SQLException
  - isCurrency
```
public boolean isCurrency(int column)
                   throws java.sql.SQLException
```
    Specified by:
    
    isCurrency in interface java.sql.ResultSetMetaData
    
    Throws:
    
    java.sql.SQLException
  - isNullable
```
public int isNullable(int column)
               throws java.sql.SQLException
```
    Specified by:
    
    isNullable in interface java.sql.ResultSetMetaData
    
    Throws:
    
    java.sql.SQLException
  - isSigned
```
public boolean isSigned(int column)
                 throws java.sql.SQLException
```
    Specified by:
    
    isSigned in interface java.sql.ResultSetMetaData
    
    Throws:
    
    java.sql.SQLException
  - getColumnDisplaySize
```
public int getColumnDisplaySize(int column)
                         throws java.sql.SQLException
```
    Specified by:
    
    getColumnDisplaySize in interface java.sql.ResultSetMetaData
    
    Throws:
    
    java.sql.SQLException
  - getColumnLabel
```
public java.lang.String getColumnLabel(int column)
                                throws java.sql.SQLException
```
    Specified by:
    
    getColumnLabel in interface java.sql.ResultSetMetaData
    
    Throws:
    
    java.sql.SQLException
  - getColumnName
```
public java.lang.String getColumnName(int column)
                               throws java.sql.SQLException
```
    Specified by:
    
    getColumnName in interface java.sql.ResultSetMetaData
    
    Throws:
    
    java.sql.SQLException
  - getBaseColumnName
```
public java.lang.String getBaseColumnName(int column)
                                   throws java.sql.SQLException
```
    Description copied from interface: PGResultSetMetaData
    
    Returns the underlying column name of a query result, or "" if it is unable to be determined.
    
    Specified by:
    
    getBaseColumnName in interface PGResultSetMetaData
    
    Parameters:
    
    column - column position (1-based)
    
    Returns:
    
    underlying column name of a query result
    
    Throws:
    
    java.sql.SQLException - if something wrong happens
  - getSchemaName
```
public java.lang.String getSchemaName(int column)
                               throws java.sql.SQLException
```
    Specified by:
    
    getSchemaName in interface java.sql.ResultSetMetaData
    
    Throws:
    
    java.sql.SQLException
  - getBaseSchemaName
```
public java.lang.String getBaseSchemaName(int column)
                                   throws java.sql.SQLException
```
    Description copied from interface: PGResultSetMetaData
    
    Returns the underlying schema name of query result, or "" if it is unable to be determined.
    
    Specified by:
    
    getBaseSchemaName in interface PGResultSetMetaData
    
    Parameters:
    
    column - column position (1-based)
    
    Returns:
    
    underlying schema name of query result
    
    Throws:
    
    java.sql.SQLException - if something wrong happens
  - getPrecision
```
public int getPrecision(int column)
                 throws java.sql.SQLException
```
    Specified by:
    
    getPrecision in interface java.sql.ResultSetMetaData
    
    Throws:
    
    java.sql.SQLException
  - getScale
```
public int getScale(int column)
             throws java.sql.SQLException
```
    Specified by:
    
    getScale in interface java.sql.ResultSetMetaData
    
    Throws:
    
    java.sql.SQLException
  - getTableName
```
public java.lang.String getTableName(int column)
                              throws java.sql.SQLException
```
    Specified by:
    
    getTableName in interface java.sql.ResultSetMetaData
    
    Throws:
    
    java.sql.SQLException
  - getBaseTableName
```
public java.lang.String getBaseTableName(int column)
                                  throws java.sql.SQLException
```
    Description copied from interface: PGResultSetMetaData
    
    Returns the underlying table name of query result, or "" if it is unable to be determined.
    
    Specified by:
    
    getBaseTableName in interface PGResultSetMetaData
    
    Parameters:
    
    column - column position (1-based)
    
    Returns:
    
    underlying table name of query result
    
    Throws:
    
    java.sql.SQLException - if something wrong happens
  - getCatalogName
```
public java.lang.String getCatalogName(int column)
                                throws java.sql.SQLException
```
    Specified by:
    
    getCatalogName in interface java.sql.ResultSetMetaData
    
    Throws:
    
    java.sql.SQLException
  - getColumnType
```
public int getColumnType(int column)
                  throws java.sql.SQLException
```
    Specified by:
    
    getColumnType in interface java.sql.ResultSetMetaData
    
    Throws:
    
    java.sql.SQLException
  - getFormat
```
public int getFormat(int column)
              throws java.sql.SQLException
```
    Description copied from interface: PGResultSetMetaData
    
    Is a column Text or Binary?
    
    Specified by:
    
    getFormat in interface PGResultSetMetaData
    
    Parameters:
    
    column - column position (1-based)
    
    Returns:
    
    0 if column data foramt is TEXT, or 1 if BINARY
    
    Throws:
    
    java.sql.SQLException - if something wrong happens
    
    See Also:
    
    Field.BINARY_FORMAT, Field.TEXT_FORMAT
  - getColumnTypeName
```
public java.lang.String getColumnTypeName(int column)
                                   throws java.sql.SQLException
```
    Specified by:
    
    getColumnTypeName in interface java.sql.ResultSetMetaData
    
    Throws:
    
    java.sql.SQLException
  - isReadOnly
```
public boolean isReadOnly(int column)
                   throws java.sql.SQLException
```
    Specified by:
    
    isReadOnly in interface java.sql.ResultSetMetaData
    
    Throws:
    
    java.sql.SQLException
  - isWritable
```
public boolean isWritable(int column)
                   throws java.sql.SQLException
```
    Specified by:
    
    isWritable in interface java.sql.ResultSetMetaData
    
    Throws:
    
    java.sql.SQLException
  - isDefinitelyWritable
```
public boolean isDefinitelyWritable(int column)
                             throws java.sql.SQLException
```
    Specified by:
    
    isDefinitelyWritable in interface java.sql.ResultSetMetaData
    
    Throws:
    
    java.sql.SQLException
  - getField
```
protected Field getField(int columnIndex)
                  throws java.sql.SQLException
```
    Throws:
    
    java.sql.SQLException
  - getPGType
```
protected java.lang.String getPGType(int columnIndex)
                              throws java.sql.SQLException
```
    Throws:
    
    java.sql.SQLException
  - getSQLType
```
protected int getSQLType(int columnIndex)
                  throws java.sql.SQLException
```
    Throws:
    
    java.sql.SQLException
  - getColumnClassName
```
public java.lang.String getColumnClassName(int column)
                                    throws java.sql.SQLException
```
    Returns the fully-qualified name of the Java class whose instances are manufactured if the method 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
    
    Parameters:
    
    column - the first column is 1, the second is 2, ...
    
    Returns:
    
    the fully-qualified name of the class in the Java programming language that would be used by the method ResultSet.getObject to retrieve the value in the specified column. This is the class name used for custom mapping.
    
    Throws:
    
    java.sql.SQLException - if a database access error occurs
  - 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 PgResultSetMetaData

Field Summary

Fields inherited from interface java.sql.ResultSetMetaData

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

connection

fields

Constructor Detail

PgResultSetMetaData

Method Detail

getColumnCount

isAutoIncrement

isCaseSensitive

isSearchable

isCurrency

isNullable

isSigned

getColumnDisplaySize

getColumnLabel

getColumnName

getBaseColumnName

getSchemaName

getBaseSchemaName

getPrecision

getScale

getTableName

getBaseTableName

getCatalogName

getColumnType

getFormat

getColumnTypeName

isReadOnly

isWritable

isDefinitelyWritable

getField

getPGType

getSQLType

getColumnClassName

isWrapperFor

unwrap