1 files changed, 103 insertions, 0 deletions
diff --git a/src/main/java/com/iciql/SQLDialectPostgreSQL.java b/src/main/java/com/iciql/SQLDialectPostgreSQL.java
new file mode 100644
index 0000000..fc115ab
--- /dev/null
+++ b/src/main/java/com/iciql/SQLDialectPostgreSQL.java
@@ -0,0 +1,103 @@
+/*
+ * Copyright 2011 James Moger.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.iciql;
+
+import com.iciql.TableDefinition.IndexDefinition;
+import com.iciql.util.StatementBuilder;
+
+/**
+ * PostgreSQL database dialect.
+ */
+public class SQLDialectPostgreSQL extends SQLDialectDefault {
+
+	@Override
+	public Class<? extends java.util.Date> getDateTimeClass() {
+		return java.sql.Timestamp.class;
+	}
+
+	@Override
+	public String convertSqlType(String sqlType) {
+		if ("DOUBLE".equals(sqlType)) {
+			return "DOUBLE PRECISION";
+		} else if ("TINYINT".equals(sqlType)) {
+			// PostgreSQL does not have a byte type
+			return "SMALLINT";
+		} else if ("CLOB".equals(sqlType)) {
+			return "TEXT";
+		} else if ("BLOB".equals(sqlType)) {
+			return "BYTEA";
+		}
+		return sqlType;
+	}
+
+	@Override
+	protected boolean prepareColumnDefinition(StatementBuilder buff, String dataType,
+			boolean isAutoIncrement, boolean isPrimaryKey) {		
+		String convertedType = convertSqlType(dataType);
+		if (isIntegerType(dataType)) {
+			if (isAutoIncrement) {
+				if ("BIGINT".equals(dataType)) {
+					buff.append("BIGSERIAL");
+				} else {
+					buff.append("SERIAL");
+				}
+			} else {
+				buff.append(convertedType);
+			}
+		} else {
+			buff.append(convertedType);
+		}
+		return false;
+	}
+	
+	@Override
+	public void prepareCreateIndex(SQLStatement stat, String schemaName, String tableName,
+			IndexDefinition index) {
+		StatementBuilder buff = new StatementBuilder();
+		buff.append("CREATE ");
+		switch (index.type) {
+		case UNIQUE:
+			buff.append("UNIQUE ");
+			break;
+		case UNIQUE_HASH:
+			buff.append("UNIQUE ");
+			break;
+		}
+		buff.append("INDEX ");
+		buff.append(index.indexName);
+		buff.append(" ON ");
+		buff.append(tableName);
+
+		switch (index.type) {
+		case HASH:
+			buff.append(" USING HASH");
+			break;
+		case UNIQUE_HASH:
+			buff.append(" USING HASH");
+			break;
+		}
+
+		buff.append(" (");
+		for (String col : index.columnNames) {
+			buff.appendExceptFirst(", ");
+			buff.append(prepareColumnName(col));
+		}
+		buff.append(") ");
+
+		stat.setSQL(buff.toString().trim());
+	}
+}
+\ No newline at end of file