oracle.toplink.essentials.platform.database.SQLAnyWherePlatform Maven / Gradle / Ivy
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* Portions Copyright 2007 Markus KARG ([email protected])
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* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can obtain
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package oracle.toplink.essentials.platform.database;
import java.io.IOException;
import java.io.Writer;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.sql.Blob;
import java.sql.Clob;
import java.sql.Date;
import java.sql.Time;
import java.sql.Timestamp;
import java.sql.Types;
import java.util.Hashtable;
import oracle.toplink.essentials.exceptions.ValidationException;
import oracle.toplink.essentials.expressions.ExpressionOperator;
import oracle.toplink.essentials.internal.databaseaccess.DatabasePlatform;
import oracle.toplink.essentials.internal.databaseaccess.FieldTypeDefinition;
import oracle.toplink.essentials.internal.helper.ClassConstants;
import oracle.toplink.essentials.internal.helper.DatabaseTable;
import oracle.toplink.essentials.queryframework.ValueReadQuery;
/**
* Provides SQL Anywhere specific behaviour.
*
* @author Markus KARG ([email protected])
*/
@SuppressWarnings("serial")
public final class SQLAnyWherePlatform extends DatabasePlatform {
private static final ExpressionOperator createCurrentDateOperator() {
return ExpressionOperator.simpleFunctionNoParentheses(ExpressionOperator.CurrentDate, "CURRENT DATE");
}
private static final ExpressionOperator createCurrentTimeOperator() {
return ExpressionOperator.simpleFunctionNoParentheses(ExpressionOperator.CurrentTime, "CURRENT TIME");
}
private static final ExpressionOperator createLocate2Operator() {
return ExpressionOperator.simpleThreeArgumentFunction(ExpressionOperator.Locate2, "LOCATE");
}
private static final ExpressionOperator createLocateOperator() {
return ExpressionOperator.simpleTwoArgumentFunction(ExpressionOperator.Locate, "LOCATE");
}
private static final ExpressionOperator createConcatOperator() {
return ExpressionOperator.simpleLogicalNoParens(ExpressionOperator.Concat, "||");
}
@Override
protected final Hashtable buildFieldTypes() {
final Hashtable fieldTypeMapping = new Hashtable();
fieldTypeMapping.put(Boolean.class, new FieldTypeDefinition("BIT", false));
fieldTypeMapping.put(Integer.class, new FieldTypeDefinition("INTEGER", false));
fieldTypeMapping.put(Long.class, new FieldTypeDefinition("BIGINT", false));
fieldTypeMapping.put(Float.class, new FieldTypeDefinition("REAL", false));
fieldTypeMapping.put(Double.class, new FieldTypeDefinition("DOUBLE", false));
fieldTypeMapping.put(Short.class, new FieldTypeDefinition("SMALLINT", false));
fieldTypeMapping.put(Byte.class, new FieldTypeDefinition("SMALLINT", false));
fieldTypeMapping.put(BigInteger.class, new FieldTypeDefinition("BIGINT", false));
fieldTypeMapping.put(BigDecimal.class, new FieldTypeDefinition("DOUBLE", false));
fieldTypeMapping.put(Number.class, new FieldTypeDefinition("DOUBLE", false));
fieldTypeMapping.put(String.class, new FieldTypeDefinition("VARCHAR"));
fieldTypeMapping.put(Character.class, new FieldTypeDefinition("CHAR"));
fieldTypeMapping.put(Byte[].class, new FieldTypeDefinition("LONG BINARY", false));
fieldTypeMapping.put(Character[].class, new FieldTypeDefinition("LONG VARCHAR", false));
fieldTypeMapping.put(byte[].class, new FieldTypeDefinition("LONG BINARY", false));
fieldTypeMapping.put(char[].class, new FieldTypeDefinition("LONG VARCHAR", false));
fieldTypeMapping.put(Blob.class, new FieldTypeDefinition("LONG BINARY", false));
fieldTypeMapping.put(Clob.class, new FieldTypeDefinition("LONG VARCHAR", false));
fieldTypeMapping.put(Date.class, new FieldTypeDefinition("DATE", false));
fieldTypeMapping.put(Time.class, new FieldTypeDefinition("TIME", false));
fieldTypeMapping.put(Timestamp.class, new FieldTypeDefinition("TIMESTAMP", false));
return fieldTypeMapping;
}
@Override
public final ValueReadQuery buildSelectQueryForIdentity() {
return new ValueReadQuery("SELECT @@identity");
}
@Override
protected final String getCreateTempTableSqlPrefix() {
return "DECLARE TEMPORARY TABLE ";
}
@Override
public final int getJDBCType(final Class javaType) {
return javaType == ClassConstants.BLOB ? Types.LONGVARBINARY : javaType == ClassConstants.CLOB ? Types.LONGVARCHAR : super.getJDBCType(javaType);
}
@Override
public final int getMaxFieldNameSize() {
return 128;
}
@Override
public final DatabaseTable getTempTableForTable(final DatabaseTable table) {
return new DatabaseTable("$" + table.getName(), table.getTableQualifier());
}
@Override
protected final void initializePlatformOperators() {
super.initializePlatformOperators();
this.addOperator(SQLAnyWherePlatform.createLocateOperator());
this.addOperator(SQLAnyWherePlatform.createLocate2Operator());
this.addOperator(SQLAnyWherePlatform.createCurrentDateOperator());
this.addOperator(SQLAnyWherePlatform.createCurrentTimeOperator());
this.addOperator(SQLAnyWherePlatform.createConcatOperator());
this.addOperator(ExpressionOperator.charLength());
}
@Override
public final boolean isSQLAnywhere() {
return true;
}
@Override
public final void printFieldIdentityClause(final Writer writer) throws ValidationException {
try {
writer.write(" DEFAULT AUTOINCREMENT");
} catch (final IOException ioException) {
throw ValidationException.fileError(ioException);
}
}
@Override
public final void printFieldNullClause(final Writer writer) throws ValidationException {
try {
writer.write(" NULL");
} catch (final IOException ioException) {
throw ValidationException.fileError(ioException);
}
}
@Override
public final boolean supportsLocalTempTables() {
return true;
}
@Override
public final boolean supportsIdentity() {
return true;
}
@Override
public final boolean supportsStoredFunctions() {
return true;
}
}