getIndexInfo Method (SQLServerDatabaseMetaData)
Retrieves a description of the indexes and statistics for the given table.
public java.sql.ResultSet getIndexInfo(java.lang.String cat,
java.lang.String schema,
java.lang.String table,
boolean unique,
boolean approximate)
매개 변수
cat
A String that contains the catalog name.
schema
A String that contains the schema name.
table
A String that contains the table name.
unique
true if only indexes for unique values are returned. false if all indexes are returned.
approximate
true if the results reflect approximate or out-of-date values. false if the results are accurate.
반환 값
A SQLServerResultSet object.
예외
주의
This getIndexInfo method is specified by the getIndexInfo method in the java.sql.DatabaseMetaData interface.
The result set returned by the getIndexInfo method will contain the following information:
Name | Type | Description |
---|---|---|
TABLE_CAT |
String |
The name of the database in which the specified table resides. |
TABLE_SCHEM |
String |
The schema for the table. |
TABLE_NAME |
String |
The name of the table. |
NON_UNIQUE |
boolean |
Indicates whether the index values can be non-unique. |
INDEX_QUALIFIER |
String |
The name of the index owner. It will be null when TYPE is tableIndexStatistic. |
INDEX_NAME |
String |
The name of the index. |
TYPE |
short |
The type of the index. It can be one of the following values: tableIndexStatistic (0) tableIndexClustered (1) tableIndexHashed (2) tableIndexOther (3) |
ORDINAL_POSITION |
short |
The ordinal position of the column in the index. The first column in the index is 1. |
COLUMN_NAME |
String |
The name of the column. |
ASC_OR_DESC |
String |
The order used in the collation of the index. It can be one of the following values: A (ascending) D (descending) NULL (not applicable) 참고 SQL Server always returns "A". |
CARDINALITY |
int |
The number of rows in the table or unique values in the index. |
PAGES |
int |
The number of pages used to store the index or table. |
FILTER_CONDITION |
String |
The filter condition. 참고 SQL Server always returns null. |
참고
For more information about the data returned by the getIndexInfo method, see "sp_indexes (Transact-SQL)" in SQL Server Books Online.
예
The following example demonstrates how to use the getIndexInfo method to return information about the indexes and statistics of the Person.Contact table in the SQL Server 2005 AdventureWorks sample database.
public static void executeGetIndexInfo(Connection con) {
try {
DatabaseMetaData dbmd = con.getMetaData();
ResultSet rs = dbmd.getIndexInfo("AdventureWorks", "Person", "Contact", false, true);
ResultSetMetaData rsmd = rs.getMetaData();
// Display the result set data.
int cols = rsmd.getColumnCount();
while(rs.next()) {
for (int i = 1; i <= cols; i++) {
System.out.println(rs.getString(i));
}
}
rs.close();
}
catch (Exception e) {
e.printStackTrace();
}
}
참고 항목
참조
SQLServerDatabaseMetaData Class
개념
SQLServerDatabaseMetaData Methods
SQLServerDatabaseMetaData Members