Add support for SQLite 3.8.7

3 files changed, 135 insertions, 1 deletions

diff --git a/src/main/java/com/iciql/Db.java b/src/main/java/com/iciql/Db.java
index 67e73b0..23001d8 100644
--- a/src/main/java/com/iciql/Db.java
+++ b/src/main/java/com/iciql/Db.java
@@ -85,6 +85,7 @@ public class Db implements AutoCloseable {
 		DIALECTS.put("MySQL", SQLDialectMySQL.class);

 		DIALECTS.put("PostgreSQL", SQLDialectPostgreSQL.class);

 	    DIALECTS.put("Microsoft SQL Server", SQLDialectMSSQL.class);

+	    DIALECTS.put("SQLite", SQLDialectSQLite.class);

 	}

 

 	private Db(Connection conn) {

diff --git a/src/main/java/com/iciql/IciqlException.java b/src/main/java/com/iciql/IciqlException.java
index 3f27b73..3db62cf 100644
--- a/src/main/java/com/iciql/IciqlException.java
+++ b/src/main/java/com/iciql/IciqlException.java
@@ -101,7 +101,7 @@ public class IciqlException extends RuntimeException {
 				// MySQL duplicate primary key on insert

 				iciqlCode = CODE_DUPLICATE_KEY;

 				if (s.getErrorCode() == 1217) {

-					iciqlCode = CODE_CONSTRAINT_VIOLATION;	

+					iciqlCode = CODE_CONSTRAINT_VIOLATION;

 				}

 			} else if ("23505".equals(state)) {

 				// Derby duplicate primary key on insert

@@ -154,6 +154,24 @@ public class IciqlException extends RuntimeException {
 			} else if ("X0Y25".equals(state)) {

 				// Derby constraint violation

 				iciqlCode = CODE_CONSTRAINT_VIOLATION;

+			} else if (s.getMessage().startsWith("[SQLITE")) {

+				// SQLite error codes

+				final String msg = s.getMessage();

+				switch (s.getErrorCode()) {

+				case 1:

+					iciqlCode = CODE_OBJECT_NOT_FOUND;

+					break;

+				case 19:

+					if (msg.contains("UNIQUE")) {

+						iciqlCode = CODE_DUPLICATE_KEY;

+					} else {

+						iciqlCode = CODE_CONSTRAINT_VIOLATION;

+					}

+					break;

+				default:

+					iciqlCode = s.getErrorCode();

+					break;

+				}

 			} else {

 				// uncharacterized SQL code, we can always rely on iciqlCode != 0 in IciqlException

 				iciqlCode = s.getErrorCode() == 0 ? CODE_UNCHARACTERIZED : s.getErrorCode();

diff --git a/src/main/java/com/iciql/SQLDialectSQLite.java b/src/main/java/com/iciql/SQLDialectSQLite.java
new file mode 100644
index 0000000..c9bf8ec
--- /dev/null
+++ b/src/main/java/com/iciql/SQLDialectSQLite.java
@@ -0,0 +1,115 @@
+/*

+ * Copyright 2014 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.FieldDefinition;

+import com.iciql.TableDefinition.IndexDefinition;

+import com.iciql.util.IciqlLogger;

+import com.iciql.util.StatementBuilder;

+

+

+/**

+ * SQLite database dialect.

+ */

+public class SQLDialectSQLite extends SQLDialectDefault {

+

+	@Override

+	public boolean supportsSavePoints() {

+		return false;

+	}

+

+	@Override

+	public void configureDialect(Db db) {

+		super.configureDialect(db);

+		// enable foreign key constraint enforcement

+		db.executeUpdate("PRAGMA foreign_keys = ON;");

+	}

+

+	@Override

+	protected <T> String prepareCreateTable(TableDefinition<T> def) {

+		return "CREATE TABLE IF NOT EXISTS";

+	}

+

+	@Override

+	protected <T> String prepareCreateView(TableDefinition<T> def) {

+		return "CREATE VIEW IF NOT EXISTS";

+	}

+

+	@Override

+	public <T> void prepareDropView(SQLStatement stat, TableDefinition<T> def) {

+		StatementBuilder buff = new StatementBuilder("DROP VIEW IF EXISTS "

+				+ prepareTableName(def.schemaName, def.tableName));

+		stat.setSQL(buff.toString());

+		return;

+	}

+

+	@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;

+		default:

+			IciqlLogger.warn("{0} does not support hash indexes", getClass().getSimpleName());

+		}

+		buff.append("INDEX IF NOT EXISTS ");

+		buff.append(index.indexName);

+		buff.append(" ON ");

+		// FIXME maybe we can use schemaName ?

+		// buff.append(prepareTableName(schemaName, tableName));

+		buff.append(tableName);

+		buff.append("(");

+		for (String col : index.columnNames) {

+			buff.appendExceptFirst(", ");

+			buff.append(prepareColumnName(col));

+		}

+		buff.append(") ");

+

+		stat.setSQL(buff.toString().trim());

+	}

+

+	@Override

+	public <T> void prepareMerge(SQLStatement stat, String schemaName, String tableName,

+			TableDefinition<T> def, Object obj) {

+		StatementBuilder buff = new StatementBuilder("INSERT OR REPLACE INTO ");

+		buff.append(prepareTableName(schemaName, tableName)).append(" (");

+		buff.resetCount();

+		for (FieldDefinition field : def.fields) {

+			buff.appendExceptFirst(", ");

+			buff.append(field.columnName);

+		}

+		buff.append(") ");

+		buff.resetCount();

+		buff.append("VALUES (");

+		for (FieldDefinition field : def.fields) {

+			buff.appendExceptFirst(", ");

+			buff.append('?');

+			Object value = def.getValue(obj, field);

+			Object parameter = serialize(value, field.typeAdapter);

+			stat.addParameter(parameter);

+		}

+		buff.append(')');

+		stat.setSQL(buff.toString());

+	}

+

+}
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