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h2database
提交 a88c87c7 authored 作者: Thomas Mueller's avatar Thomas Mueller
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Changes in updatable result sets are now visible even when resetting the result set. 

Key values can now be changed in updatable result sets.
上级 449dbd81
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正在显示 包含 141 行增加 和 22 行删除
h2/src/main/org/h2/jdbc/JdbcDatabaseMetaData.java
浏览文件 @ a88c87c7
...@@ -1793,7 +1793,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -1793,7 +1793,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
* Returns whether the catalog name in CREATE TABLE is supported. * Returns whether the catalog name in CREATE TABLE is supported.
* *
* @return true * @return true
*/ */
public boolean supportsCatalogsInTableDefinitions() { public boolean supportsCatalogsInTableDefinitions() {
debugCodeCall("supportsCatalogsInTableDefinitions"); debugCodeCall("supportsCatalogsInTableDefinitions");
return true; return true;
...@@ -2076,6 +2076,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2076,6 +2076,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Returns whether own inserts are visible. * Returns whether own inserts are visible.
*
* @return false * @return false
*/ */
public boolean ownInsertsAreVisible(int type) { public boolean ownInsertsAreVisible(int type) {
...@@ -2085,6 +2086,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2085,6 +2086,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Returns whether other updates are visible. * Returns whether other updates are visible.
*
* @return false * @return false
*/ */
public boolean othersUpdatesAreVisible(int type) { public boolean othersUpdatesAreVisible(int type) {
...@@ -2094,6 +2096,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2094,6 +2096,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Returns whether other deletes are visible. * Returns whether other deletes are visible.
*
* @return false * @return false
*/ */
public boolean othersDeletesAreVisible(int type) { public boolean othersDeletesAreVisible(int type) {
...@@ -2103,6 +2106,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2103,6 +2106,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Returns whether other inserts are visible. * Returns whether other inserts are visible.
*
* @return false * @return false
*/ */
public boolean othersInsertsAreVisible(int type) { public boolean othersInsertsAreVisible(int type) {
...@@ -2112,6 +2116,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2112,6 +2116,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Returns whether updates are detected. * Returns whether updates are detected.
*
* @return false * @return false
*/ */
public boolean updatesAreDetected(int type) { public boolean updatesAreDetected(int type) {
...@@ -2121,6 +2126,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2121,6 +2126,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Returns whether deletes are detected. * Returns whether deletes are detected.
*
* @return false * @return false
*/ */
public boolean deletesAreDetected(int type) { public boolean deletesAreDetected(int type) {
...@@ -2130,6 +2136,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2130,6 +2136,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Returns whether inserts are detected. * Returns whether inserts are detected.
*
* @return false * @return false
*/ */
public boolean insertsAreDetected(int type) { public boolean insertsAreDetected(int type) {
...@@ -2139,6 +2146,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2139,6 +2146,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Returns whether batch updates are supported. * Returns whether batch updates are supported.
*
* @return true * @return true
*/ */
public boolean supportsBatchUpdates() { public boolean supportsBatchUpdates() {
...@@ -2148,6 +2156,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2148,6 +2156,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Returns whether the maximum row size includes blobs. * Returns whether the maximum row size includes blobs.
*
* @return false * @return false
*/ */
public boolean doesMaxRowSizeIncludeBlobs() { public boolean doesMaxRowSizeIncludeBlobs() {
...@@ -2157,6 +2166,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2157,6 +2166,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Returns the default transaction isolation level. * Returns the default transaction isolation level.
*
* @return Connection.TRANSACTION_READ_COMMITTED * @return Connection.TRANSACTION_READ_COMMITTED
*/ */
public int getDefaultTransactionIsolation() { public int getDefaultTransactionIsolation() {
...@@ -2167,6 +2177,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2167,6 +2177,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Checks if for CREATE TABLE Test(ID INT), getTables returns Test as the * Checks if for CREATE TABLE Test(ID INT), getTables returns Test as the
* table name. * table name.
*
* @return false * @return false
*/ */
public boolean supportsMixedCaseIdentifiers() { public boolean supportsMixedCaseIdentifiers() {
...@@ -2177,6 +2188,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2177,6 +2188,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Checks if a table created with CREATE TABLE "Test"(ID INT) is a different * Checks if a table created with CREATE TABLE "Test"(ID INT) is a different
* table than a table created with CREATE TABLE TEST(ID INT). * table than a table created with CREATE TABLE TEST(ID INT).
*
* @return true * @return true
*/ */
public boolean supportsMixedCaseQuotedIdentifiers() { public boolean supportsMixedCaseQuotedIdentifiers() {
...@@ -2187,6 +2199,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2187,6 +2199,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Checks if for CREATE TABLE Test(ID INT), getTables returns TEST as the * Checks if for CREATE TABLE Test(ID INT), getTables returns TEST as the
* table name. * table name.
*
* @return true * @return true
*/ */
public boolean storesUpperCaseIdentifiers() { public boolean storesUpperCaseIdentifiers() {
...@@ -2197,6 +2210,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2197,6 +2210,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Checks if for CREATE TABLE Test(ID INT), getTables returns test as the * Checks if for CREATE TABLE Test(ID INT), getTables returns test as the
* table name. * table name.
*
* @return false * @return false
*/ */
public boolean storesLowerCaseIdentifiers() { public boolean storesLowerCaseIdentifiers() {
...@@ -2207,6 +2221,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2207,6 +2221,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Checks if for CREATE TABLE Test(ID INT), getTables returns Test as the * Checks if for CREATE TABLE Test(ID INT), getTables returns Test as the
* table name. * table name.
*
* @return false * @return false
*/ */
public boolean storesMixedCaseIdentifiers() { public boolean storesMixedCaseIdentifiers() {
...@@ -2217,6 +2232,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2217,6 +2232,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Checks if for CREATE TABLE "Test"(ID INT), getTables returns TEST as the * Checks if for CREATE TABLE "Test"(ID INT), getTables returns TEST as the
* table name. * table name.
*
* @return false * @return false
*/ */
public boolean storesUpperCaseQuotedIdentifiers() { public boolean storesUpperCaseQuotedIdentifiers() {
...@@ -2227,6 +2243,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2227,6 +2243,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Checks if for CREATE TABLE "Test"(ID INT), getTables returns test as the * Checks if for CREATE TABLE "Test"(ID INT), getTables returns test as the
* table name. * table name.
*
* @return false * @return false
*/ */
public boolean storesLowerCaseQuotedIdentifiers() { public boolean storesLowerCaseQuotedIdentifiers() {
...@@ -2237,6 +2254,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2237,6 +2254,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Checks if for CREATE TABLE "Test"(ID INT), getTables returns Test as the * Checks if for CREATE TABLE "Test"(ID INT), getTables returns Test as the
* table name. * table name.
*
* @return true * @return true
*/ */
public boolean storesMixedCaseQuotedIdentifiers() { public boolean storesMixedCaseQuotedIdentifiers() {
...@@ -2246,6 +2264,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2246,6 +2264,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Returns the maximum length for hex values (characters). * Returns the maximum length for hex values (characters).
*
* @return 0 for limit is unknown * @return 0 for limit is unknown
*/ */
public int getMaxBinaryLiteralLength() { public int getMaxBinaryLiteralLength() {
...@@ -2255,6 +2274,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2255,6 +2274,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Returns the maximum length for literals. * Returns the maximum length for literals.
*
* @return 0 for limit is unknown * @return 0 for limit is unknown
*/ */
public int getMaxCharLiteralLength() { public int getMaxCharLiteralLength() {
...@@ -2264,6 +2284,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2264,6 +2284,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Returns the maximum length for column names. * Returns the maximum length for column names.
*
* @return 0 for limit is unknown * @return 0 for limit is unknown
*/ */
public int getMaxColumnNameLength() { public int getMaxColumnNameLength() {
...@@ -2273,6 +2294,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2273,6 +2294,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Returns the maximum number of columns in GROUP BY. * Returns the maximum number of columns in GROUP BY.
*
* @return 0 for limit is unknown * @return 0 for limit is unknown
*/ */
public int getMaxColumnsInGroupBy() { public int getMaxColumnsInGroupBy() {
...@@ -2282,6 +2304,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2282,6 +2304,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Returns the maximum number of columns in CREATE INDEX. * Returns the maximum number of columns in CREATE INDEX.
*
* @return 0 for limit is unknown * @return 0 for limit is unknown
*/ */
public int getMaxColumnsInIndex() { public int getMaxColumnsInIndex() {
...@@ -2291,6 +2314,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2291,6 +2314,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Returns the maximum number of columns in ORDER BY. * Returns the maximum number of columns in ORDER BY.
*
* @return 0 for limit is unknown * @return 0 for limit is unknown
*/ */
public int getMaxColumnsInOrderBy() { public int getMaxColumnsInOrderBy() {
...@@ -2300,6 +2324,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2300,6 +2324,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Returns the maximum number of columns in SELECT. * Returns the maximum number of columns in SELECT.
*
* @return 0 for limit is unknown * @return 0 for limit is unknown
*/ */
public int getMaxColumnsInSelect() { public int getMaxColumnsInSelect() {
...@@ -2309,6 +2334,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2309,6 +2334,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Returns the maximum number of columns in CREATE TABLE. * Returns the maximum number of columns in CREATE TABLE.
*
* @return 0 for limit is unknown * @return 0 for limit is unknown
*/ */
public int getMaxColumnsInTable() { public int getMaxColumnsInTable() {
...@@ -2318,6 +2344,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2318,6 +2344,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Returns the maximum number of open connection. * Returns the maximum number of open connection.
*
* @return 0 for limit is unknown * @return 0 for limit is unknown
*/ */
public int getMaxConnections() { public int getMaxConnections() {
...@@ -2327,6 +2354,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2327,6 +2354,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Returns the maximum length for a cursor name. * Returns the maximum length for a cursor name.
*
* @return 0 for limit is unknown * @return 0 for limit is unknown
*/ */
public int getMaxCursorNameLength() { public int getMaxCursorNameLength() {
...@@ -2336,6 +2364,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2336,6 +2364,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Returns the maximum length for an index (in bytes). * Returns the maximum length for an index (in bytes).
*
* @return 0 for limit is unknown * @return 0 for limit is unknown
*/ */
public int getMaxIndexLength() { public int getMaxIndexLength() {
...@@ -2345,6 +2374,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2345,6 +2374,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Returns the maximum length for a schema name. * Returns the maximum length for a schema name.
*
* @return 0 for limit is unknown * @return 0 for limit is unknown
*/ */
public int getMaxSchemaNameLength() { public int getMaxSchemaNameLength() {
...@@ -2354,6 +2384,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2354,6 +2384,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Returns the maximum length for a procedure name. * Returns the maximum length for a procedure name.
*
* @return 0 for limit is unknown * @return 0 for limit is unknown
*/ */
public int getMaxProcedureNameLength() { public int getMaxProcedureNameLength() {
...@@ -2363,6 +2394,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2363,6 +2394,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Returns the maximum length for a catalog name. * Returns the maximum length for a catalog name.
*
* @return 0 for limit is unknown * @return 0 for limit is unknown
*/ */
public int getMaxCatalogNameLength() { public int getMaxCatalogNameLength() {
...@@ -2372,6 +2404,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2372,6 +2404,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Returns the maximum size of a row (in bytes). * Returns the maximum size of a row (in bytes).
*
* @return 0 for limit is unknown * @return 0 for limit is unknown
*/ */
public int getMaxRowSize() { public int getMaxRowSize() {
...@@ -2381,6 +2414,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2381,6 +2414,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Returns the maximum length of a statement. * Returns the maximum length of a statement.
*
* @return 0 for limit is unknown * @return 0 for limit is unknown
*/ */
public int getMaxStatementLength() { public int getMaxStatementLength() {
...@@ -2390,6 +2424,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2390,6 +2424,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Returns the maximum number of open statements. * Returns the maximum number of open statements.
*
* @return 0 for limit is unknown * @return 0 for limit is unknown
*/ */
public int getMaxStatements() { public int getMaxStatements() {
...@@ -2399,6 +2434,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2399,6 +2434,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Returns the maximum length for a table name. * Returns the maximum length for a table name.
*
* @return 0 for limit is unknown * @return 0 for limit is unknown
*/ */
public int getMaxTableNameLength() { public int getMaxTableNameLength() {
...@@ -2408,6 +2444,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2408,6 +2444,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Returns the maximum number of tables in a SELECT. * Returns the maximum number of tables in a SELECT.
*
* @return 0 for limit is unknown * @return 0 for limit is unknown
*/ */
public int getMaxTablesInSelect() { public int getMaxTablesInSelect() {
...@@ -2417,6 +2454,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2417,6 +2454,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Returns the maximum length for a user name. * Returns the maximum length for a user name.
*
* @return 0 for limit is unknown * @return 0 for limit is unknown
*/ */
public int getMaxUserNameLength() { public int getMaxUserNameLength() {
...@@ -2426,6 +2464,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2426,6 +2464,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Does the database support savepoints. * Does the database support savepoints.
*
* @return true * @return true
*/ */
public boolean supportsSavepoints() { public boolean supportsSavepoints() {
...@@ -2435,6 +2474,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2435,6 +2474,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Does the database support named parameters. * Does the database support named parameters.
*
* @return false * @return false
*/ */
public boolean supportsNamedParameters() { public boolean supportsNamedParameters() {
...@@ -2444,6 +2484,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2444,6 +2484,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Does the database support multiple open result sets. * Does the database support multiple open result sets.
*
* @return true * @return true
*/ */
public boolean supportsMultipleOpenResults() { public boolean supportsMultipleOpenResults() {
...@@ -2453,6 +2494,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2453,6 +2494,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Does the database support getGeneratedKeys. * Does the database support getGeneratedKeys.
*
* @return true * @return true
*/ */
public boolean supportsGetGeneratedKeys() { public boolean supportsGetGeneratedKeys() {
...@@ -2550,6 +2592,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2550,6 +2592,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Gets the result set holdability. * Gets the result set holdability.
*
* @return ResultSet.CLOSE_CURSORS_AT_COMMIT * @return ResultSet.CLOSE_CURSORS_AT_COMMIT
*/ */
//## Java 1.4 begin ## //## Java 1.4 begin ##
...@@ -2561,6 +2604,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2561,6 +2604,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Gets the major version of the database. * Gets the major version of the database.
*
* @return the major version * @return the major version
*/ */
public int getDatabaseMajorVersion() { public int getDatabaseMajorVersion() {
...@@ -2570,6 +2614,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2570,6 +2614,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Gets the minor version of the database. * Gets the minor version of the database.
*
* @return the minor version * @return the minor version
*/ */
public int getDatabaseMinorVersion() { public int getDatabaseMinorVersion() {
...@@ -2579,6 +2624,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2579,6 +2624,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Gets the major version of the supported JDBC API. * Gets the major version of the supported JDBC API.
*
* @return the major version * @return the major version
*/ */
public int getJDBCMajorVersion() { public int getJDBCMajorVersion() {
...@@ -2588,6 +2634,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2588,6 +2634,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Gets the minor version of the supported JDBC API. * Gets the minor version of the supported JDBC API.
*
* @return the minor version * @return the minor version
*/ */
public int getJDBCMinorVersion() { public int getJDBCMinorVersion() {
...@@ -2597,6 +2644,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2597,6 +2644,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Gets the SQL State type. * Gets the SQL State type.
*
* @return DatabaseMetaData.sqlStateSQL99 * @return DatabaseMetaData.sqlStateSQL99
*/ */
//## Java 1.4 begin ## //## Java 1.4 begin ##
...@@ -2608,6 +2656,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2608,6 +2656,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Does the database make a copy before updating. * Does the database make a copy before updating.
*
* @return false * @return false
*/ */
public boolean locatorsUpdateCopy() { public boolean locatorsUpdateCopy() {
...@@ -2617,6 +2666,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2617,6 +2666,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Does the database support statement pooling. * Does the database support statement pooling.
*
* @return false * @return false
*/ */
public boolean supportsStatementPooling() { public boolean supportsStatementPooling() {
...@@ -2645,6 +2695,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2645,6 +2695,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Get the lifetime of a rowid. * Get the lifetime of a rowid.
*
* @return ROWID_UNSUPPORTED * @return ROWID_UNSUPPORTED
*/ */
//## Java 1.6 begin ## //## Java 1.6 begin ##
...@@ -2667,6 +2718,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2667,6 +2718,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Returns whether the database supports calling functions using the call syntax. * Returns whether the database supports calling functions using the call syntax.
*
* @return true * @return true
*/ */
public boolean supportsStoredFunctionsUsingCallSyntax() { public boolean supportsStoredFunctionsUsingCallSyntax() {
...@@ -2676,6 +2728,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat ...@@ -2676,6 +2728,7 @@ public class JdbcDatabaseMetaData extends TraceObject implements DatabaseMetaDat
/** /**
* Returns whether an exception while auto commit is on closes all result sets. * Returns whether an exception while auto commit is on closes all result sets.
*
* @return false * @return false
*/ */
public boolean autoCommitFailureClosesAllResultSets() { public boolean autoCommitFailureClosesAllResultSets() {
......
h2/src/main/org/h2/jdbc/JdbcResultSet.java
浏览文件 @ a88c87c7
...@@ -63,10 +63,21 @@ import org.h2.value.ValueTime; ...@@ -63,10 +63,21 @@ import org.h2.value.ValueTime;
import org.h2.value.ValueTimestamp; import org.h2.value.ValueTimestamp;
/** /**
* Represents a result set. Column names are case-insensitive, quotes are not * <p>
* supported. The first column has the column index 1. Result sets are updatable * Represents a result set.
* when the result only contains columns from one table, and if it contains all * </p>
* columns of a unique index (primary key or other) of this table. * <p>
* Column names are case-insensitive, quotes are not supported. The first column
* has the column index 1.
* </p>
* <p>
* Updatable result sets:
* Result sets are updatable when the result only contains columns from one
* table, and if it contains all columns of a unique index (primary key or
* other) of this table. Key columns may not contain NULL (because multiple rows
* with NULL could exist). In updatable result sets, own changes are visible,
* but not own inserts and deletes.
* </p>
*/ */
public class JdbcResultSet extends TraceObject implements ResultSet { public class JdbcResultSet extends TraceObject implements ResultSet {
private final SessionInterface session; private final SessionInterface session;
...@@ -80,6 +91,7 @@ public class JdbcResultSet extends TraceObject implements ResultSet { ...@@ -80,6 +91,7 @@ public class JdbcResultSet extends TraceObject implements ResultSet {
private Value[] insertRow; private Value[] insertRow;
private Value[] updateRow; private Value[] updateRow;
private HashMap columnNameMap; private HashMap columnNameMap;
private HashMap patchedRows;
JdbcResultSet(JdbcConnection conn, JdbcStatement stat, ResultInterface result, int id, JdbcResultSet(JdbcConnection conn, JdbcStatement stat, ResultInterface result, int id,
boolean closeStatement, boolean scrollable) { boolean closeStatement, boolean scrollable) {
...@@ -2821,8 +2833,15 @@ public class JdbcResultSet extends TraceObject implements ResultSet { ...@@ -2821,8 +2833,15 @@ public class JdbcResultSet extends TraceObject implements ResultSet {
checkOnValidRow(); checkOnValidRow();
if (updateRow != null) { if (updateRow != null) {
UpdatableRow row = getUpdatableRow(); UpdatableRow row = getUpdatableRow();
row.updateRow(result.currentRow(), updateRow); Value[] current = result.currentRow();
row.refreshRow(result.currentRow()); row.updateRow(current, updateRow);
for (int i = 0; i < updateRow.length; i++) {
if (updateRow[i] == null) {
updateRow[i] = current[i];
}
}
Value[] patch = row.readRow(updateRow);
patchCurrentRow(patch);
updateRow = null; updateRow = null;
} }
} catch (Exception e) { } catch (Exception e) {
...@@ -2866,7 +2885,7 @@ public class JdbcResultSet extends TraceObject implements ResultSet { ...@@ -2866,7 +2885,7 @@ public class JdbcResultSet extends TraceObject implements ResultSet {
throw Message.getSQLException(ErrorCode.NO_DATA_AVAILABLE); throw Message.getSQLException(ErrorCode.NO_DATA_AVAILABLE);
} }
checkOnValidRow(); checkOnValidRow();
getUpdatableRow().refreshRow(result.currentRow()); patchCurrentRow(getUpdatableRow().readRow(result.currentRow()));
updateRow = null; updateRow = null;
} catch (Exception e) { } catch (Exception e) {
throw logAndConvert(e); throw logAndConvert(e);
...@@ -2983,7 +3002,15 @@ public class JdbcResultSet extends TraceObject implements ResultSet { ...@@ -2983,7 +3002,15 @@ public class JdbcResultSet extends TraceObject implements ResultSet {
private Value get(int columnIndex) throws SQLException { private Value get(int columnIndex) throws SQLException {
checkColumnIndex(columnIndex); checkColumnIndex(columnIndex);
checkOnValidRow(); checkOnValidRow();
Value[] list = result.currentRow(); Value[] list;
if (patchedRows == null) {
list = result.currentRow();
} else {
list = (Value[]) patchedRows.get(ObjectUtils.getInteger(result.getRowId()));
if (list == null) {
list = result.currentRow();
}
}
Value value = list[columnIndex - 1]; Value value = list[columnIndex - 1];
wasNull = value == ValueNull.INSTANCE; wasNull = value == ValueNull.INSTANCE;
return value; return value;
...@@ -3474,5 +3501,25 @@ public class JdbcResultSet extends TraceObject implements ResultSet { ...@@ -3474,5 +3501,25 @@ public class JdbcResultSet extends TraceObject implements ResultSet {
public String toString() { public String toString() {
return getTraceObjectName() + ": " + result; return getTraceObjectName() + ": " + result;
} }
private void patchCurrentRow(Value[] row) throws SQLException {
boolean changed = false;
Value[] current = result.currentRow();
for (int i = 0; i < row.length; i++) {
if (!row[i].compareEqual(current[i])) {
changed = true;
break;
}
}
if (patchedRows == null) {
patchedRows = new HashMap();
}
Integer rowId = ObjectUtils.getInteger(result.getRowId());
if (!changed) {
patchedRows.remove(rowId);
} else {
patchedRows.put(rowId, row);
}
}
} }
h2/src/main/org/h2/result/UpdatableRow.java
浏览文件 @ a88c87c7
...@@ -156,18 +156,6 @@ public class UpdatableRow { ...@@ -156,18 +156,6 @@ public class UpdatableRow {
// return rs.getInt(1) == 0; // return rs.getInt(1) == 0;
// } // }
/**
* Re-reads a row from the database and updates the values in the array.
*
* @param row the values
*/
public void refreshRow(Value[] row) throws SQLException {
Value[] newRow = readRow(row);
for (int i = 0; i < columnCount; i++) {
row[i] = newRow[i];
}
}
private void appendTableName(StringBuffer buff) { private void appendTableName(StringBuffer buff) {
if (schemaName != null && schemaName.length() > 0) { if (schemaName != null && schemaName.length() > 0) {
buff.append(StringUtils.quoteIdentifier(schemaName)); buff.append(StringUtils.quoteIdentifier(schemaName));
...@@ -176,7 +164,13 @@ public class UpdatableRow { ...@@ -176,7 +164,13 @@ public class UpdatableRow {
buff.append(StringUtils.quoteIdentifier(tableName)); buff.append(StringUtils.quoteIdentifier(tableName));
} }
private Value[] readRow(Value[] row) throws SQLException { /**
* Re-reads a row from the database and updates the values in the array.
*
* @param row the values that contain the key
* @return the row
*/
public Value[] readRow(Value[] row) throws SQLException {
StringBuffer buff = new StringBuffer(); StringBuffer buff = new StringBuffer();
buff.append("SELECT "); buff.append("SELECT ");
appendColumnList(buff, false); appendColumnList(buff, false);
......
h2/src/test/org/h2/test/jdbc/TestUpdatableResultSet.java
浏览文件 @ a88c87c7
...@@ -30,6 +30,31 @@ public class TestUpdatableResultSet extends TestBase { ...@@ -30,6 +30,31 @@ public class TestUpdatableResultSet extends TestBase {
testScroll(); testScroll();
testUpdateDeleteInsert(); testUpdateDeleteInsert();
testUpdateDataType(); testUpdateDataType();
testUpdateResetRead();
}
private void testUpdateResetRead() throws Exception {
deleteDb("updatableResultSet");
Connection conn = getConnection("updatableResultSet");
Statement stat = conn.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_READ_ONLY);
stat.execute("CREATE TABLE TEST(ID INT PRIMARY KEY, NAME VARCHAR(255))");
stat.execute("INSERT INTO TEST VALUES(1, 'Hello')");
stat.execute("INSERT INTO TEST VALUES(2, 'World')");
ResultSet rs = stat.executeQuery("SELECT * FROM TEST ORDER BY ID");
rs.next();
rs.updateInt(1, 10);
rs.updateRow();
rs.next();
rs.updateString(2, "Welt");
rs.updateRow();
rs.beforeFirst();
rs.next();
assertEquals(10, rs.getInt(1));
assertEquals("Hello", rs.getString(2));
rs.next();
assertEquals(2, rs.getInt(1));
assertEquals("Welt", rs.getString(2));
conn.close();
} }
private void testScroll() throws Exception { private void testScroll() throws Exception {
......
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