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Code Issues Actions 8 Packages Projects Releases Wiki Activity

GenericTableMetaDataProvider falls back to single schema as default 

Issue: SPR-15090
This commit is contained in:
Juergen Hoeller 2017-01-12 21:15:08 +01:00
parent 50e5a65b2d
commit de4349792b
1 changed files with 77 additions and 66 deletions
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143
spring-jdbc/src/main/java/org/springframework/jdbc/core/metadata/GenericTableMetaDataProvider.java
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@ -1,5 +1,5 @@
/*
* Copyright 2002-2016 the original author or authors.
* Copyright 2002-2017 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -30,6 +30,7 @@ import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.dao.DataAccessResourceFailureException;
import org.springframework.jdbc.support.JdbcUtils;
import org.springframework.jdbc.support.nativejdbc.NativeJdbcExtractor;
/**
@ -37,6 +38,7 @@ import org.springframework.jdbc.support.nativejdbc.NativeJdbcExtractor;
* enough features for all supported databases.
*
* @author Thomas Risberg
* @author Juergen Hoeller
* @since 2.5
*/
public class GenericTableMetaDataProvider implements TableMetaDataProvider {
@ -163,17 +165,23 @@ public class GenericTableMetaDataProvider implements TableMetaDataProvider {
}
}
catch (SQLException ex) {
logger.warn("Error retrieving 'DatabaseMetaData.getGeneratedKeys' - " + ex.getMessage());
if (logger.isWarnEnabled()) {
logger.warn("Error retrieving 'DatabaseMetaData.getGeneratedKeys': " + ex.getMessage());
}
}
try {
String databaseProductName = databaseMetaData.getDatabaseProductName();
if (this.productsNotSupportingGeneratedKeysColumnNameArray.contains(databaseProductName)) {
logger.debug("GeneratedKeysColumnNameArray is not supported for " + databaseProductName);
if (logger.isDebugEnabled()) {
logger.debug("GeneratedKeysColumnNameArray is not supported for " + databaseProductName);
}
setGeneratedKeysColumnNameArraySupported(false);
}
else {
if (isGetGeneratedKeysSupported()) {
logger.debug("GeneratedKeysColumnNameArray is supported for " + databaseProductName);
if (logger.isDebugEnabled()) {
logger.debug("GeneratedKeysColumnNameArray is supported for " + databaseProductName);
}
setGeneratedKeysColumnNameArraySupported(true);
}
else {
@ -182,25 +190,36 @@ public class GenericTableMetaDataProvider implements TableMetaDataProvider {
}
}
catch (SQLException ex) {
logger.warn("Error retrieving 'DatabaseMetaData.getDatabaseProductName' - " + ex.getMessage());
if (logger.isWarnEnabled()) {
logger.warn("Error retrieving 'DatabaseMetaData.getDatabaseProductName': " + ex.getMessage());
}
}
try {
this.databaseVersion = databaseMetaData.getDatabaseProductVersion();
}
catch (SQLException ex) {
logger.warn("Error retrieving 'DatabaseMetaData.getDatabaseProductVersion' - " + ex.getMessage());
if (logger.isWarnEnabled()) {
logger.warn("Error retrieving 'DatabaseMetaData.getDatabaseProductVersion': " + ex.getMessage());
}
}
try {
setStoresUpperCaseIdentifiers(databaseMetaData.storesUpperCaseIdentifiers());
}
catch (SQLException ex) {
logger.warn("Error retrieving 'DatabaseMetaData.storesUpperCaseIdentifiers' - " + ex.getMessage());
if (logger.isWarnEnabled()) {
logger.warn("Error retrieving 'DatabaseMetaData.storesUpperCaseIdentifiers': " + ex.getMessage());
}
}
try {
setStoresLowerCaseIdentifiers(databaseMetaData.storesLowerCaseIdentifiers());
}
catch (SQLException ex) {
logger.warn("Error retrieving 'DatabaseMetaData.storesLowerCaseIdentifiers' - " + ex.getMessage());
if (logger.isWarnEnabled()) {
logger.warn("Error retrieving 'DatabaseMetaData.storesLowerCaseIdentifiers': " + ex.getMessage());
}
}
}
@ -278,7 +297,7 @@ public class GenericTableMetaDataProvider implements TableMetaDataProvider {
* Provide access to default schema for subclasses.
*/
protected String getDefaultSchema() {
return userName;
return this.userName;
}
/**
@ -291,17 +310,14 @@ public class GenericTableMetaDataProvider implements TableMetaDataProvider {
/**
* Method supporting the metedata processing for a table.
*/
private void locateTableAndProcessMetaData(DatabaseMetaData databaseMetaData, String catalogName,
String schemaName, String tableName) {
private void locateTableAndProcessMetaData(
DatabaseMetaData databaseMetaData, String catalogName, String schemaName, String tableName) {
Map<String, TableMetaData> tableMeta = new HashMap<>();
ResultSet tables = null;
try {
tables = databaseMetaData.getTables(
catalogNameToUse(catalogName),
schemaNameToUse(schemaName),
tableNameToUse(tableName),
null);
catalogNameToUse(catalogName), schemaNameToUse(schemaName), tableNameToUse(tableName), null);
while (tables != null && tables.next()) {
TableMetaData tmd = new TableMetaData();
tmd.setCatalogName(tables.getString("TABLE_CAT"));
@ -316,49 +332,52 @@ public class GenericTableMetaDataProvider implements TableMetaDataProvider {
}
}
catch (SQLException ex) {
logger.warn("Error while accessing table meta data results" + ex.getMessage());
if (logger.isWarnEnabled()) {
logger.warn("Error while accessing table meta data results: " + ex.getMessage());
}
}
finally {
if (tables != null) {
try {
tables.close();
}
catch (SQLException ex) {
logger.warn("Error while closing table meta data results" + ex.getMessage());
}
}
JdbcUtils.closeResultSet(tables);
}
if (tableMeta.size() < 1) {
logger.warn("Unable to locate table meta data for '" + tableName +"' -- column names must be provided");
if (tableMeta.isEmpty()) {
if (logger.isWarnEnabled()) {
logger.warn("Unable to locate table meta data for '" + tableName + "': column names must be provided");
}
}
else {
TableMetaData tmd;
if (schemaName == null) {
tmd = tableMeta.get(getDefaultSchema());
if (tmd == null) {
tmd = tableMeta.get(userName != null ? userName.toUpperCase() : "");
}
if (tmd == null) {
tmd = tableMeta.get("PUBLIC");
}
if (tmd == null) {
tmd = tableMeta.get("DBO");
}
if (tmd == null) {
throw new DataAccessResourceFailureException("Unable to locate table meta data for '" +
tableName + "' in the default schema");
}
}
else {
tmd = tableMeta.get(schemaName.toUpperCase());
if (tmd == null) {
throw new DataAccessResourceFailureException("Unable to locate table meta data for '" +
tableName + "' in the '" + schemaName + "' schema");
}
}
processTableColumns(databaseMetaData, findTableMetaData(schemaName, tableName, tableMeta));
}
}
processTableColumns(databaseMetaData, tmd);
private TableMetaData findTableMetaData(String schemaName, String tableName, Map<String, TableMetaData> tableMeta) {
if (schemaName != null) {
TableMetaData tmd = tableMeta.get(schemaName.toUpperCase());
if (tmd == null) {
throw new DataAccessResourceFailureException("Unable to locate table meta data for '" +
tableName + "' in the '" + schemaName + "' schema");
}
return tmd;
}
else if (tableMeta.size() == 1) {
return tableMeta.values().iterator().next();
}
else {
TableMetaData tmd = tableMeta.get(getDefaultSchema());
if (tmd == null) {
tmd = tableMeta.get(this.userName != null ? this.userName.toUpperCase() : "");
}
if (tmd == null) {
tmd = tableMeta.get("PUBLIC");
}
if (tmd == null) {
tmd = tableMeta.get("DBO");
}
if (tmd == null) {
throw new DataAccessResourceFailureException(
"Unable to locate table meta data for '" + tableName + "' in the default schema");
}
return tmd;
}
}
@ -389,10 +408,7 @@ public class GenericTableMetaDataProvider implements TableMetaDataProvider {
if ("NUMBER".equals(typeName) && decimalDigits == 0) {
dataType = Types.NUMERIC;
if (logger.isDebugEnabled()) {
logger.debug("Overriding metadata: "
+ columnName +
" now using NUMERIC instead of DECIMAL"
);
logger.debug("Overriding metadata: " + columnName + " now NUMERIC instead of DECIMAL");
}
}
}
@ -400,24 +416,19 @@ public class GenericTableMetaDataProvider implements TableMetaDataProvider {
TableParameterMetaData meta = new TableParameterMetaData(columnName, dataType, nullable);
this.tableParameterMetaData.add(meta);
if (logger.isDebugEnabled()) {
logger.debug("Retrieved metadata: " + meta.getParameterName() +
" " + meta.getSqlType() + " " + meta.isNullable());
logger.debug("Retrieved metadata: " + meta.getParameterName() + " " +
meta.getSqlType() + " " + meta.isNullable());
}
}
}
catch (SQLException ex) {
logger.warn("Error while retrieving metadata for table columns: " + ex.getMessage());
if (logger.isWarnEnabled()) {
logger.warn("Error while retrieving metadata for table columns: " + ex.getMessage());
}
}
finally {
try {
if (tableColumns != null)
tableColumns.close();
}
catch (SQLException ex) {
logger.warn("Problem closing ResultSet for table column metadata " + ex.getMessage());
}
JdbcUtils.closeResultSet(tableColumns);
}
}