/
SqliteDdlBuilder.java
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/
SqliteDdlBuilder.java
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package org.jumpmind.db.platform.sqlite;
import java.sql.Connection;
import java.sql.Types;
import org.jumpmind.db.model.Column;
import org.jumpmind.db.model.IIndex;
import org.jumpmind.db.model.Table;
import org.jumpmind.db.model.TypeMap;
import org.jumpmind.db.platform.AbstractDdlBuilder;
public class SqliteDdlBuilder extends AbstractDdlBuilder {
public SqliteDdlBuilder() {
databaseInfo.setMinIsolationLevelToPreventPhantomReads(Connection.TRANSACTION_SERIALIZABLE);
databaseInfo.setPrimaryKeyEmbedded(true);
databaseInfo.setNonPKIdentityColumnsSupported(false);
databaseInfo.setIdentityOverrideAllowed(false);
databaseInfo.setSystemForeignKeyIndicesAlwaysNonUnique(true);
databaseInfo.setNullAsDefaultValueRequired(false);
databaseInfo.setRequiresAutoCommitForDdl(true);
databaseInfo.addNativeTypeMapping(Types.ARRAY, "BINARY", Types.BINARY);
databaseInfo.addNativeTypeMapping(Types.CHAR, "VARCHAR", Types.VARCHAR);
databaseInfo.addNativeTypeMapping(Types.BIGINT, "INTEGER", Types.INTEGER);
databaseInfo.addNativeTypeMapping(Types.DISTINCT, "BINARY", Types.BINARY);
databaseInfo.addNativeTypeMapping(Types.NULL, "BINARY", Types.BINARY);
databaseInfo.addNativeTypeMapping(Types.REF, "BINARY", Types.BINARY);
databaseInfo.addNativeTypeMapping(Types.STRUCT, "BINARY", Types.BINARY);
databaseInfo.addNativeTypeMapping(Types.DATALINK, "BINARY", Types.BINARY);
databaseInfo.addNativeTypeMapping(Types.TIMESTAMP, "TIMESTAMP",Types.TIMESTAMP);
databaseInfo.addNativeTypeMapping(Types.TIME, "TIME", Types.TIME);
databaseInfo.addNativeTypeMapping(Types.DATE, "DATETIME", Types.DATE);
databaseInfo.addNativeTypeMapping(Types.BIT, "INTEGER", Types.INTEGER);
databaseInfo.addNativeTypeMapping(Types.TINYINT, "INTEGER", Types.INTEGER);
databaseInfo.addNativeTypeMapping(Types.SMALLINT, "INTEGER", Types.INTEGER);
databaseInfo.addNativeTypeMapping(Types.BINARY, "BLOB", Types.BLOB);
databaseInfo.addNativeTypeMapping(Types.BLOB, "BLOB", Types.BLOB);
databaseInfo.addNativeTypeMapping(Types.CLOB, "VARCHAR", Types.VARCHAR);
databaseInfo.addNativeTypeMapping(Types.LONGVARCHAR, "VARCHAR", Types.VARCHAR);
databaseInfo.addNativeTypeMapping(Types.FLOAT, "FLOAT", Types.FLOAT);
databaseInfo.addNativeTypeMapping(Types.JAVA_OBJECT, "OTHER");
databaseInfo.setDefaultSize(Types.CHAR, Integer.MAX_VALUE);
databaseInfo.setDefaultSize(Types.VARCHAR, Integer.MAX_VALUE);
databaseInfo.setDefaultSize(Types.BINARY, Integer.MAX_VALUE);
databaseInfo.setDefaultSize(Types.VARBINARY, Integer.MAX_VALUE);
databaseInfo.setHasSize(Types.CHAR, false);
databaseInfo.setHasSize(Types.VARCHAR, false);
databaseInfo.setHasSize(Types.BINARY, false);
databaseInfo.setHasSize(Types.VARBINARY, false);
databaseInfo.setHasPrecisionAndScale(Types.DECIMAL, false);
databaseInfo.setHasPrecisionAndScale(Types.NUMERIC, false);
databaseInfo.setDateOverridesToTimestamp(false);
databaseInfo.setEmptyStringNulled(false);
databaseInfo.setBlankCharColumnSpacePadded(false);
databaseInfo.setNonBlankCharColumnSpacePadded(false);
databaseInfo.setForeignKeysSupported(false);
}
@Override
public void writeExternalIndexDropStmt(Table table, IIndex index, StringBuilder ddl) {
ddl.append("DROP INDEX ");
printIdentifier(getIndexName(index), ddl);
printEndOfStatement(ddl);
}
/**
* Prints that the column is an auto increment column.
*/
@Override
protected void writeColumnAutoIncrementStmt(Table table, Column column, StringBuilder ddl) {
ddl.append("AUTOINCREMENT");
}
@Override
protected void writeColumnEmbeddedPrimaryKey(Table table, Column column, StringBuilder ddl) {
if (table.getPrimaryKeyColumnCount() == 1) {
ddl.append(" PRIMARY KEY ");
}
}
@Override
protected void writeEmbeddedPrimaryKeysStmt(Table table, StringBuilder ddl) {
if (table.getPrimaryKeyColumnCount() > 1) {
super.writeEmbeddedPrimaryKeysStmt(table, ddl);
}
}
@Override
protected void dropTable(Table table, StringBuilder ddl, boolean temporary, boolean recreate) {
ddl.append("DROP TABLE IF EXISTS ");
printIdentifier(getTableName(table.getName()), ddl);
printEndOfStatement(ddl);
}
@Override
protected String mapDefaultValue(Object defaultValue, int typeCode) {
if (TypeMap.isDateTimeType(typeCode) && defaultValue != null) {
String defaultValueStr = defaultValue.toString();
if (defaultValueStr.toUpperCase().startsWith("SYSDATE")
|| defaultValueStr.toUpperCase().startsWith("CURRENT_DATE")) {
return "CURRENT_DATE";
} else if (defaultValueStr.toUpperCase().startsWith("SYSTIMESTAMP")
|| defaultValueStr.toUpperCase().startsWith("CURRENT_TIMESTAMP")) {
return "CURRENT_TIMESTAMP";
} else if (defaultValueStr.toUpperCase().startsWith("SYSTIME")
|| defaultValueStr.toUpperCase().startsWith("CURRENT_TIME")) {
return "CURRENT_TIME";
} else if(defaultValueStr.contains("('")) {
int beginIndex = defaultValueStr.indexOf("('");
int lastIndex = defaultValueStr.lastIndexOf(")");
if (lastIndex > beginIndex) {
return defaultValueStr.substring(beginIndex, lastIndex);
} else {
return defaultValueStr.substring(beginIndex);
}
}
}
return super.mapDefaultValue(defaultValue, typeCode);
}
}