private String getDeleteSql(final RecordDefinition type) {
final PathName typePath = type.getPathName();
final String tableName = this.recordStore.getDatabaseQualifiedTableName(typePath);
String sql = this.typeDeleteSqlMap.get(typePath);
if (sql == null) {
final StringBuilder sqlBuffer = new StringBuilder();
if (this.sqlPrefix != null) {
sqlBuffer.append(this.sqlPrefix);
}
sqlBuffer.append("delete ");
if (this.hints != null) {
sqlBuffer.append(this.hints);
}
sqlBuffer.append(" from ");
sqlBuffer.append(tableName);
sqlBuffer.append(" where ");
final JdbcFieldDefinition idField = (JdbcFieldDefinition) type.getIdField();
if (idField == null) {
throw new RuntimeException("No primary key found for " + type);
}
addSqlColumEqualsPlaceholder(sqlBuffer, idField);
sqlBuffer.append(" ");
if (this.sqlSuffix != null) {
sqlBuffer.append(this.sqlSuffix);
}
sql = sqlBuffer.toString();
this.typeDeleteSqlMap.put(typePath, sql);
}
return sql;
}
private String getUpdateSql(final RecordDefinition type) {
final PathName typePath = type.getPathName();
final String tableName = this.recordStore.getDatabaseQualifiedTableName(typePath);
String sql = this.typeUpdateSqlMap.get(typePath);
if (sql == null) {
final StringBuilder sqlBuffer = new StringBuilder();
if (this.sqlPrefix != null) {
sqlBuffer.append(this.sqlPrefix);
}
sqlBuffer.append("update ");
if (this.hints != null) {
sqlBuffer.append(this.hints);
}
sqlBuffer.append(tableName);
sqlBuffer.append(" set ");
final List<FieldDefinition> idFields = type.getIdFields();
boolean first = true;
for (final FieldDefinition attribute : type.getFields()) {
if (!idFields.contains(attribute)) {
final JdbcFieldDefinition jdbcAttribute = (JdbcFieldDefinition) attribute;
if (first) {
first = false;
} else {
sqlBuffer.append(", ");
}
addSqlColumEqualsPlaceholder(sqlBuffer, jdbcAttribute);
}
}
sqlBuffer.append(" where ");
first = true;
for (final FieldDefinition idField : idFields) {
if (first) {
first = false;
} else {
sqlBuffer.append(" AND ");
}
final JdbcFieldDefinition idJdbcAttribute = (JdbcFieldDefinition) idField;
addSqlColumEqualsPlaceholder(sqlBuffer, idJdbcAttribute);
}
sqlBuffer.append(" ");
if (this.sqlSuffix != null) {
sqlBuffer.append(this.sqlSuffix);
}
sql = sqlBuffer.toString();
this.typeUpdateSqlMap.put(typePath, sql);
}
return sql;
}
private void update(final Record object) throws SQLException {
final RecordDefinition objectType = object.getRecordDefinition();
final PathName typePath = objectType.getPathName();
final RecordDefinition recordDefinition = getRecordDefinition(typePath);
flushIfRequired(recordDefinition);
PreparedStatement statement = this.typeUpdateStatementMap.get(typePath);
if (statement == null) {
final String sql = getUpdateSql(recordDefinition);
try {
statement = this.connection.prepareStatement(sql);
this.typeUpdateStatementMap.put(typePath, statement);
} catch (final SQLException e) {
LOG.error(sql, e);
}
}
int parameterIndex = 1;
final List<FieldDefinition> idFields = recordDefinition.getIdFields();
for (final FieldDefinition fieldDefinition : recordDefinition.getFields()) {
if (!idFields.contains(fieldDefinition)) {
final JdbcFieldDefinition jdbcFieldDefinition = (JdbcFieldDefinition) fieldDefinition;
parameterIndex =
jdbcFieldDefinition.setInsertPreparedStatementValue(statement, parameterIndex, object);
}
}
for (final FieldDefinition idField : idFields) {
final JdbcFieldDefinition jdbcFieldDefinition = (JdbcFieldDefinition) idField;
parameterIndex =
jdbcFieldDefinition.setInsertPreparedStatementValue(statement, parameterIndex, object);
}
statement.addBatch();
Integer batchCount = this.typeUpdateBatchCountMap.get(typePath);
if (batchCount == null) {
batchCount = 1;
this.typeUpdateBatchCountMap.put(typePath, 1);
} else {
batchCount += 1;
this.typeUpdateBatchCountMap.put(typePath, batchCount);
}
if (batchCount >= this.batchSize) {
final String sql = getUpdateSql(recordDefinition);
processCurrentBatch(typePath, sql, statement, this.typeUpdateBatchCountMap);
}
this.recordStore.addStatistic("Update", object);
}
private void delete(final Record object) throws SQLException {
final RecordDefinition objectType = object.getRecordDefinition();
final PathName typePath = objectType.getPathName();
final RecordDefinition recordDefinition = getRecordDefinition(typePath);
flushIfRequired(recordDefinition);
PreparedStatement statement = this.typeDeleteStatementMap.get(typePath);
if (statement == null) {
final String sql = getDeleteSql(recordDefinition);
try {
statement = this.connection.prepareStatement(sql);
this.typeDeleteStatementMap.put(typePath, statement);
} catch (final SQLException e) {
LOG.error(sql, e);
}
}
int parameterIndex = 1;
final JdbcFieldDefinition idField = (JdbcFieldDefinition) recordDefinition.getIdField();
parameterIndex = idField.setInsertPreparedStatementValue(statement, parameterIndex, object);
statement.addBatch();
Integer batchCount = this.typeDeleteBatchCountMap.get(typePath);
if (batchCount == null) {
batchCount = 1;
this.typeDeleteBatchCountMap.put(typePath, 1);
} else {
batchCount += 1;
this.typeDeleteBatchCountMap.put(typePath, batchCount);
}
this.recordStore.addStatistic("Delete", object);
// TODO this locks code tables which prevents insert
// if (batchCount >= batchSize) {
// final String sql = getDeleteSql(recordDefinition);
// processCurrentBatch(typePath, sql, statement, typeDeleteBatchCountMap,
// getDeleteStatistics());
// }
}
private String getInsertSql(final RecordDefinition type, final boolean generatePrimaryKey) {
final PathName typePath = type.getPathName();
final String tableName = this.recordStore.getDatabaseQualifiedTableName(typePath);
String sql;
if (generatePrimaryKey) {
sql = this.typeInsertSequenceSqlMap.get(typePath);
} else {
sql = this.typeInsertSqlMap.get(typePath);
}
if (sql == null) {
final StringBuilder sqlBuffer = new StringBuilder();
if (this.sqlPrefix != null) {
sqlBuffer.append(this.sqlPrefix);
}
sqlBuffer.append("insert ");
if (this.hints != null) {
sqlBuffer.append(this.hints);
}
sqlBuffer.append(" into ");
sqlBuffer.append(tableName);
sqlBuffer.append(" (");
if (generatePrimaryKey) {
final String idFieldName = type.getIdFieldName();
if (this.quoteColumnNames) {
sqlBuffer.append('"').append(idFieldName).append('"');
} else {
sqlBuffer.append(idFieldName);
}
sqlBuffer.append(",");
}
for (int i = 0; i < type.getFieldCount(); i++) {
if (!generatePrimaryKey || i != type.getIdFieldIndex()) {
final String fieldName = type.getFieldName(i);
if (this.quoteColumnNames) {
sqlBuffer.append('"').append(fieldName).append('"');
} else {
sqlBuffer.append(fieldName);
}
if (i < type.getFieldCount() - 1) {
sqlBuffer.append(", ");
}
}
}
sqlBuffer.append(") VALUES (");
if (generatePrimaryKey) {
sqlBuffer.append(getGeneratePrimaryKeySql(type));
sqlBuffer.append(",");
}
for (int i = 0; i < type.getFieldCount(); i++) {
if (!generatePrimaryKey || i != type.getIdFieldIndex()) {
final JdbcFieldDefinition attribute = (JdbcFieldDefinition) type.getField(i);
attribute.addInsertStatementPlaceHolder(sqlBuffer, generatePrimaryKey);
if (i < type.getFieldCount() - 1) {
sqlBuffer.append(", ");
}
}
}
sqlBuffer.append(")");
if (this.sqlSuffix != null) {
sqlBuffer.append(this.sqlSuffix);
}
sql = sqlBuffer.toString();
if (generatePrimaryKey) {
this.typeInsertSequenceSqlMap.put(typePath, sql);
} else {
this.typeInsertSqlMap.put(typePath, sql);
}
}
return sql;
}