public class ResultSetMetaData
extends java.lang.Object
implements java.sql.ResultSetMetaData
Modifier and Type | Field and Description |
---|---|
(package private) Field[] |
fields |
(package private) boolean |
treatYearAsDate |
(package private) boolean |
useOldAliasBehavior |
Constructor and Description |
---|
ResultSetMetaData(Field[] fields,
boolean useOldAliasBehavior,
boolean treatYearAsDate,
ExceptionInterceptor exceptionInterceptor)
Initialize for a result with a tuple set and a field descriptor set
|
Modifier and Type | Method and Description |
---|---|
java.lang.String |
getCatalogName(int column)
What's a column's table's catalog name?
|
(package private) static java.lang.String |
getClassNameForJavaType(int javaType,
boolean isUnsigned,
int mysqlTypeIfKnown,
boolean isBinaryOrBlob,
boolean isOpaqueBinary,
boolean treatYearAsDate) |
java.lang.String |
getColumnCharacterEncoding(int column)
What's the Java character encoding name for the given column?
|
java.lang.String |
getColumnCharacterSet(int column)
What's the MySQL character set name for the given column?
|
java.lang.String |
getColumnClassName(int column)
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.
|
int |
getColumnCount()
Whats the number of columns in the ResultSet?
|
int |
getColumnDisplaySize(int column)
What is the column's normal maximum width in characters?
|
java.lang.String |
getColumnLabel(int column)
What is the suggested column title for use in printouts and displays?
|
java.lang.String |
getColumnName(int column)
What's a column's name?
|
int |
getColumnType(int column)
What is a column's SQL Type?
|
java.lang.String |
getColumnTypeName(int column)
Whats is the column's data source specific type name?
|
protected Field |
getField(int columnIndex)
Returns the field instance for the given column index
|
int |
getPrecision(int column)
What is a column's number of decimal digits.
|
int |
getScale(int column)
What is a column's number of digits to the right of the decimal point?
|
java.lang.String |
getSchemaName(int column)
What is a column's table's schema?
|
java.lang.String |
getTableName(int column)
Whats a column's table's name?
|
boolean |
isAutoIncrement(int column)
Is the column automatically numbered (and thus read-only)
|
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 this column definately succeed?
|
int |
isNullable(int column)
Can you put a NULL in this column?
|
boolean |
isReadOnly(int column)
Is the 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 |
isWrapperFor(java.lang.Class<?> iface) |
boolean |
isWritable(int column)
Is it possible for a write on the column to succeed?
|
java.lang.String |
toString()
Returns a string representation of this object
|
<T> T |
unwrap(java.lang.Class<T> iface) |
Field[] fields
boolean useOldAliasBehavior
boolean treatYearAsDate
public ResultSetMetaData(Field[] fields, boolean useOldAliasBehavior, boolean treatYearAsDate, ExceptionInterceptor exceptionInterceptor)
fields
- the array of field descriptorspublic java.lang.String getCatalogName(int column) throws java.sql.SQLException
getCatalogName
in interface java.sql.ResultSetMetaData
column
- the first column is 1, the second is 2...java.sql.SQLException
- if a database access error occurspublic java.lang.String getColumnCharacterEncoding(int column) throws java.sql.SQLException
column
- the first column is 1, the second is 2, etc.java.sql.SQLException
- if an invalid column index is given.public java.lang.String getColumnCharacterSet(int column) throws java.sql.SQLException
column
- the first column is 1, the second is 2, etc.java.sql.SQLException
- if an invalid column index is given.public java.lang.String getColumnClassName(int column) throws java.sql.SQLException
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.
getColumnClassName
in interface java.sql.ResultSetMetaData
column
- the column number to retrieve information forjava.sql.SQLException
- if an error occurspublic int getColumnCount() throws java.sql.SQLException
getColumnCount
in interface java.sql.ResultSetMetaData
java.sql.SQLException
- if a database access error occurspublic int getColumnDisplaySize(int column) throws java.sql.SQLException
getColumnDisplaySize
in interface java.sql.ResultSetMetaData
column
- the first column is 1, the second is 2, etc.java.sql.SQLException
- if a database access error occurspublic java.lang.String getColumnLabel(int column) throws java.sql.SQLException
getColumnLabel
in interface java.sql.ResultSetMetaData
column
- the first column is 1, the second is 2, etc.java.sql.SQLException
- if a database access error occurspublic java.lang.String getColumnName(int column) throws java.sql.SQLException
getColumnName
in interface java.sql.ResultSetMetaData
column
- the first column is 1, the second is 2, etc.java.sql.SQLException
- if a databvase access error occurspublic int getColumnType(int column) throws java.sql.SQLException
getColumnType
in interface java.sql.ResultSetMetaData
column
- the first column is 1, the second is 2, etc.java.sql.SQLException
- if a database access error occursTypes
public java.lang.String getColumnTypeName(int column) throws java.sql.SQLException
getColumnTypeName
in interface java.sql.ResultSetMetaData
column
- the first column is 1, the second is 2, etc.java.sql.SQLException
- if a database access error occursprotected Field getField(int columnIndex) throws java.sql.SQLException
columnIndex
- the column number to retrieve a field instance forjava.sql.SQLException
- if an error occurspublic int getPrecision(int column) throws java.sql.SQLException
getPrecision
in interface java.sql.ResultSetMetaData
column
- the first column is 1, the second is 2...java.sql.SQLException
- if a database access error occurspublic int getScale(int column) throws java.sql.SQLException
getScale
in interface java.sql.ResultSetMetaData
column
- the first column is 1, the second is 2...java.sql.SQLException
- if a database access error occurspublic java.lang.String getSchemaName(int column) throws java.sql.SQLException
getSchemaName
in interface java.sql.ResultSetMetaData
column
- the first column is 1, the second is 2...java.sql.SQLException
- if a database access error occurspublic java.lang.String getTableName(int column) throws java.sql.SQLException
getTableName
in interface java.sql.ResultSetMetaData
column
- the first column is 1, the second is 2...java.sql.SQLException
- if a database access error occurspublic boolean isAutoIncrement(int column) throws java.sql.SQLException
isAutoIncrement
in interface java.sql.ResultSetMetaData
column
- the first column is 1, the second is 2...java.sql.SQLException
- if a database access error occurspublic boolean isCaseSensitive(int column) throws java.sql.SQLException
isCaseSensitive
in interface java.sql.ResultSetMetaData
column
- the first column is 1, the second is 2...java.sql.SQLException
- if a database access error occurspublic boolean isCurrency(int column) throws java.sql.SQLException
isCurrency
in interface java.sql.ResultSetMetaData
column
- the first column is 1, the second is 2...java.sql.SQLException
- if a database access error occurspublic boolean isDefinitelyWritable(int column) throws java.sql.SQLException
isDefinitelyWritable
in interface java.sql.ResultSetMetaData
column
- the first column is 1, the second is 2, etc..java.sql.SQLException
- if a database access error occurspublic int isNullable(int column) throws java.sql.SQLException
isNullable
in interface java.sql.ResultSetMetaData
column
- the first column is 1, the second is 2...java.sql.SQLException
- if a database access error occurspublic boolean isReadOnly(int column) throws java.sql.SQLException
isReadOnly
in interface java.sql.ResultSetMetaData
column
- the first column is 1, the second is 2, etc.java.sql.SQLException
- if a database access error occurspublic boolean isSearchable(int column) throws java.sql.SQLException
isSearchable
in interface java.sql.ResultSetMetaData
column
- the first column is 1, the second is 2...java.sql.SQLException
- if a database access error occurspublic boolean isSigned(int column) throws java.sql.SQLException
isSigned
in interface java.sql.ResultSetMetaData
column
- the first column is 1, the second is 2...java.sql.SQLException
- if a database access error occurspublic boolean isWritable(int column) throws java.sql.SQLException
isWritable
in interface java.sql.ResultSetMetaData
column
- the first column is 1, the second is 2, etc.java.sql.SQLException
- if a database access error occurspublic java.lang.String toString()
toString
in class java.lang.Object
static java.lang.String getClassNameForJavaType(int javaType, boolean isUnsigned, int mysqlTypeIfKnown, boolean isBinaryOrBlob, boolean isOpaqueBinary, boolean treatYearAsDate)
public boolean isWrapperFor(java.lang.Class<?> iface) throws java.sql.SQLException
isWrapperFor
in interface java.sql.Wrapper
java.sql.SQLException
Wrapper.isWrapperFor(Class)
public <T> T unwrap(java.lang.Class<T> iface) throws java.sql.SQLException
unwrap
in interface java.sql.Wrapper
java.sql.SQLException
Wrapper.unwrap(Class)