Package org.teiid.translator.jdbc.intersyscache

Source Code of org.teiid.translator.jdbc.intersyscache.InterSystemsCacheExecutionFactory

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* to Red Hat, Inc. under one or more contributor license agreements.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
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* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
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* Lesser General Public License for more details.
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package org.teiid.translator.jdbc.intersyscache;

import java.sql.Date;
import java.sql.Time;
import java.sql.Timestamp;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

import org.teiid.core.types.DataTypeManager;
import org.teiid.language.Function;
import org.teiid.metadata.FunctionMethod;
import org.teiid.metadata.FunctionParameter;
import org.teiid.translator.SourceSystemFunctions;
import org.teiid.translator.Translator;
import org.teiid.translator.TranslatorException;
import org.teiid.translator.TypeFacility;
import org.teiid.translator.jdbc.AliasModifier;
import org.teiid.translator.jdbc.ConvertModifier;
import org.teiid.translator.jdbc.EscapeSyntaxModifier;
import org.teiid.translator.jdbc.FunctionModifier;
import org.teiid.translator.jdbc.JDBCExecutionFactory;

@Translator(name="intersystems-cache", description="A translator for Intersystems Cache Database")
public class InterSystemsCacheExecutionFactory extends JDBCExecutionFactory {
 
  private static final String INTER_CACHE = "intersystems-cache"; //$NON-NLS-1$
  protected ConvertModifier convert = new ConvertModifier();
 
  @Override
  public void start() throws TranslatorException {
    super.start();
    convert.addTypeMapping("tinyint", FunctionModifier.BYTE); //$NON-NLS-1$   
    convert.addTypeMapping("smallint", FunctionModifier.SHORT); //$NON-NLS-1$
    convert.addTypeMapping("integer", FunctionModifier.INTEGER); //$NON-NLS-1$
    convert.addTypeMapping("bigint", FunctionModifier.LONG); //$NON-NLS-1$
    convert.addTypeMapping("decimal(38,19)", FunctionModifier.BIGDECIMAL); //$NON-NLS-1$
    convert.addTypeMapping("decimal(19,0)", FunctionModifier.BIGINTEGER); //$NON-NLS-1$   
    convert.addTypeMapping("character", FunctionModifier.CHAR); //$NON-NLS-1$
    convert.addTypeMapping("varchar(4000)", FunctionModifier.STRING); //$NON-NLS-1$
    convert.addTypeMapping("date", FunctionModifier.DATE); //$NON-NLS-1$
    convert.addTypeMapping("time", FunctionModifier.TIME); //$NON-NLS-1$
    convert.addTypeMapping("timestamp", FunctionModifier.TIMESTAMP); //$NON-NLS-1$
    convert.addNumericBooleanConversions();
    registerFunctionModifier(SourceSystemFunctions.CONVERT, convert);   
   
    registerFunctionModifier(SourceSystemFunctions.IFNULL, new AliasModifier("nvl")); //$NON-NLS-1$
    registerFunctionModifier(SourceSystemFunctions.CONCAT, new EscapeSyntaxModifier());
    registerFunctionModifier(SourceSystemFunctions.ACOS, new EscapeSyntaxModifier());
    registerFunctionModifier(SourceSystemFunctions.ASIN, new EscapeSyntaxModifier());
    registerFunctionModifier(SourceSystemFunctions.ATAN, new EscapeSyntaxModifier());
    registerFunctionModifier(SourceSystemFunctions.COS, new EscapeSyntaxModifier());
    registerFunctionModifier(SourceSystemFunctions.COT, new EscapeSyntaxModifier());
    registerFunctionModifier(SourceSystemFunctions.CURDATE, new EscapeSyntaxModifier());   
    registerFunctionModifier(SourceSystemFunctions.CURTIME, new EscapeSyntaxModifier());  
    registerFunctionModifier(SourceSystemFunctions.DAYNAME, new EscapeSyntaxModifier());
        registerFunctionModifier(SourceSystemFunctions.DAYOFMONTH, new EscapeSyntaxModifier());
        registerFunctionModifier(SourceSystemFunctions.DAYOFWEEK, new EscapeSyntaxModifier());
        registerFunctionModifier(SourceSystemFunctions.DAYOFYEAR, new EscapeSyntaxModifier());
        registerFunctionModifier(SourceSystemFunctions.EXP, new EscapeSyntaxModifier());   
        registerFunctionModifier(SourceSystemFunctions.HOUR, new EscapeSyntaxModifier());
        registerFunctionModifier(SourceSystemFunctions.LOG,new EscapeSyntaxModifier());
        registerFunctionModifier(SourceSystemFunctions.LOG10, new EscapeSyntaxModifier());
        registerFunctionModifier(SourceSystemFunctions.LEFT, new EscapeSyntaxModifier());
        registerFunctionModifier(SourceSystemFunctions.MINUTE, new EscapeSyntaxModifier());
        registerFunctionModifier(SourceSystemFunctions.MONTH, new EscapeSyntaxModifier());
        registerFunctionModifier(SourceSystemFunctions.MONTHNAME, new EscapeSyntaxModifier());
        registerFunctionModifier(SourceSystemFunctions.MOD, new EscapeSyntaxModifier());
        registerFunctionModifier(SourceSystemFunctions.NOW, new EscapeSyntaxModifier());
        registerFunctionModifier(SourceSystemFunctions.PI, new EscapeSyntaxModifier());
        registerFunctionModifier(SourceSystemFunctions.QUARTER, new EscapeSyntaxModifier());
        registerFunctionModifier(SourceSystemFunctions.RIGHT, new EscapeSyntaxModifier());
        registerFunctionModifier(SourceSystemFunctions.SIN, new EscapeSyntaxModifier());
        registerFunctionModifier(SourceSystemFunctions.SECOND, new EscapeSyntaxModifier());
        registerFunctionModifier(SourceSystemFunctions.SQRT,new EscapeSyntaxModifier());
        registerFunctionModifier(SourceSystemFunctions.TAN, new EscapeSyntaxModifier());
        registerFunctionModifier(SourceSystemFunctions.TIMESTAMPADD, new EscapeSyntaxModifier());  
        registerFunctionModifier(SourceSystemFunctions.TIMESTAMPDIFF, new EscapeSyntaxModifier());   
        registerFunctionModifier(SourceSystemFunctions.TRUNCATE, new EscapeSyntaxModifier());  
        registerFunctionModifier(SourceSystemFunctions.WEEK, new EscapeSyntaxModifier());
        registerFunctionModifier(SourceSystemFunctions.DIVIDE_OP, new FunctionModifier() {
     
      @Override
      public List<?> translate(Function function) {
        if (function.getType() == TypeFacility.RUNTIME_TYPES.INTEGER || function.getType() == TypeFacility.RUNTIME_TYPES.LONG) {
          Function result = ConvertModifier.createConvertFunction(getLanguageFactory(), function, TypeFacility.getDataTypeName(function.getType()));
          function.setType(TypeFacility.RUNTIME_TYPES.BIG_DECIMAL);
          return Arrays.asList(result);
        }
        return null;
      }
    });
  }
 
    @Override
    public List<String> getSupportedFunctions() {
        List<String> supportedFunctions = new ArrayList<String>();
        supportedFunctions.addAll(super.getSupportedFunctions());

        supportedFunctions.add(SourceSystemFunctions.ABS);
    supportedFunctions.add(SourceSystemFunctions.ACOS);
    supportedFunctions.add(SourceSystemFunctions.ASIN);
    supportedFunctions.add(SourceSystemFunctions.ATAN);       
        supportedFunctions.add(SourceSystemFunctions.ASCII);
        supportedFunctions.add(SourceSystemFunctions.CEILING);
        supportedFunctions.add(SourceSystemFunctions.CHAR);
        supportedFunctions.add(SourceSystemFunctions.COALESCE);
        supportedFunctions.add(SourceSystemFunctions.CONCAT);
        supportedFunctions.add(SourceSystemFunctions.CONVERT);
    supportedFunctions.add(SourceSystemFunctions.COS);
    supportedFunctions.add(SourceSystemFunctions.COT);
    supportedFunctions.add(SourceSystemFunctions.CURDATE);   
    supportedFunctions.add(SourceSystemFunctions.CURTIME)
    supportedFunctions.add(SourceSystemFunctions.DAYNAME);
        supportedFunctions.add(SourceSystemFunctions.DAYOFMONTH);
        supportedFunctions.add(SourceSystemFunctions.DAYOFWEEK);
        supportedFunctions.add(SourceSystemFunctions.DAYOFYEAR);
        supportedFunctions.add(SourceSystemFunctions.EXP);   
        supportedFunctions.add(SourceSystemFunctions.FLOOR);
        supportedFunctions.add(SourceSystemFunctions.HOUR);    
        supportedFunctions.add(SourceSystemFunctions.IFNULL);
        supportedFunctions.add(SourceSystemFunctions.LCASE);
        supportedFunctions.add(SourceSystemFunctions.LENGTH);
        supportedFunctions.add(SourceSystemFunctions.LPAD);
        supportedFunctions.add(SourceSystemFunctions.LTRIM);
        supportedFunctions.add(SourceSystemFunctions.LOG);
        supportedFunctions.add(SourceSystemFunctions.LOG10);
        supportedFunctions.add(SourceSystemFunctions.LEFT);  
        supportedFunctions.add(SourceSystemFunctions.MINUTE);
        supportedFunctions.add(SourceSystemFunctions.MONTH);
        supportedFunctions.add(SourceSystemFunctions.MONTHNAME);
        supportedFunctions.add(SourceSystemFunctions.MOD);       
        supportedFunctions.add(SourceSystemFunctions.NULLIF);
        supportedFunctions.add(SourceSystemFunctions.NOW);
        supportedFunctions.add(SourceSystemFunctions.PI);
        supportedFunctions.add(SourceSystemFunctions.POWER);
        supportedFunctions.add(SourceSystemFunctions.QUARTER);
        supportedFunctions.add(SourceSystemFunctions.RIGHT);
        supportedFunctions.add(SourceSystemFunctions.REPEAT);
        supportedFunctions.add(SourceSystemFunctions.REPLACE);
        supportedFunctions.add(SourceSystemFunctions.ROUND);
        supportedFunctions.add(SourceSystemFunctions.RPAD);
        supportedFunctions.add(SourceSystemFunctions.RTRIM);
        supportedFunctions.add(SourceSystemFunctions.SIGN);
        supportedFunctions.add(SourceSystemFunctions.SUBSTRING);
        supportedFunctions.add(SourceSystemFunctions.SIN);
        supportedFunctions.add(SourceSystemFunctions.SECOND);
        supportedFunctions.add(SourceSystemFunctions.SQRT);
        supportedFunctions.add(SourceSystemFunctions.TAN);
        supportedFunctions.add(SourceSystemFunctions.TIMESTAMPADD);  
        supportedFunctions.add(SourceSystemFunctions.TIMESTAMPDIFF);   
        supportedFunctions.add(SourceSystemFunctions.TRUNCATE);
        supportedFunctions.add(SourceSystemFunctions.UCASE);
        supportedFunctions.add(SourceSystemFunctions.XMLCONCAT);
        supportedFunctions.add(SourceSystemFunctions.WEEK);       

        return supportedFunctions;
    }
   
    @Override
    public List<FunctionMethod> getPushDownFunctions(){
             
      List<FunctionMethod> pushdownFunctions = new ArrayList<FunctionMethod>();
   
    pushdownFunctions.add(new FunctionMethod(INTER_CACHE + '.' + "CHARACTER_LENGTH", "CHARACTER_LENGTH", INTER_CACHE, //$NON-NLS-1$ //$NON-NLS-2$
            new FunctionParameter[] {
                new FunctionParameter("string1", DataTypeManager.DefaultDataTypes.STRING, "")}, //$NON-NLS-1$ //$NON-NLS-2$
            new FunctionParameter("result", DataTypeManager.DefaultDataTypes.INTEGER, "") ) ); //$NON-NLS-1$ //$NON-NLS-2$

    pushdownFunctions.add(new FunctionMethod(INTER_CACHE + '.' + "CHAR_LENGTH", "CHAR_LENGTH", INTER_CACHE, //$NON-NLS-1$ //$NON-NLS-2$
              new FunctionParameter[] {
                  new FunctionParameter("string1", DataTypeManager.DefaultDataTypes.STRING, "")}, //$NON-NLS-1$ //$NON-NLS-2$
              new FunctionParameter("result", DataTypeManager.DefaultDataTypes.INTEGER, "") ) ); //$NON-NLS-1$ //$NON-NLS-2$
   
    pushdownFunctions.add(new FunctionMethod(INTER_CACHE + '.' + "CHARINDEX", "CHARINDEX", INTER_CACHE, //$NON-NLS-1$ //$NON-NLS-2$
              new FunctionParameter[] {
                new FunctionParameter("string1", DataTypeManager.DefaultDataTypes.STRING, ""), //$NON-NLS-1$ //$NON-NLS-2$
                new FunctionParameter("string2", DataTypeManager.DefaultDataTypes.STRING, "")}, //$NON-NLS-1$ //$NON-NLS-2$
              new FunctionParameter("result", DataTypeManager.DefaultDataTypes.INTEGER, "") ) ); //$NON-NLS-1$ //$NON-NLS-2$
   
    pushdownFunctions.add(new FunctionMethod(INTER_CACHE + '.' + "CHARINDEX", "CHARINDEX", INTER_CACHE, //$NON-NLS-1$ //$NON-NLS-2$
              new FunctionParameter[] {
                new FunctionParameter("string1", DataTypeManager.DefaultDataTypes.STRING, ""), //$NON-NLS-1$ //$NON-NLS-2$
                new FunctionParameter("string2", DataTypeManager.DefaultDataTypes.STRING, ""), //$NON-NLS-1$ //$NON-NLS-2$
                new FunctionParameter("integer1", DataTypeManager.DefaultDataTypes.INTEGER, "")}, //$NON-NLS-1$ //$NON-NLS-2$
              new FunctionParameter("result", DataTypeManager.DefaultDataTypes.INTEGER, "") ) ); //$NON-NLS-1$ //$NON-NLS-2$       
   
    pushdownFunctions.add(new FunctionMethod(INTER_CACHE + '.' + "INSTR", "INSTR", INTER_CACHE, //$NON-NLS-1$ //$NON-NLS-2$
              new FunctionParameter[] {
                new FunctionParameter("string1", DataTypeManager.DefaultDataTypes.STRING, ""), //$NON-NLS-1$ //$NON-NLS-2$
                new FunctionParameter("string2", DataTypeManager.DefaultDataTypes.STRING, "")}, //$NON-NLS-1$ //$NON-NLS-2$
              new FunctionParameter("result", DataTypeManager.DefaultDataTypes.INTEGER, "") ) ); //$NON-NLS-1$ //$NON-NLS-2$
   
    pushdownFunctions.add(new FunctionMethod(INTER_CACHE + '.' + "INSTR", "INSTR", INTER_CACHE, //$NON-NLS-1$ //$NON-NLS-2$
              new FunctionParameter[] {
                new FunctionParameter("string1", DataTypeManager.DefaultDataTypes.STRING, ""), //$NON-NLS-1$ //$NON-NLS-2$
                new FunctionParameter("string2", DataTypeManager.DefaultDataTypes.STRING, ""), //$NON-NLS-1$ //$NON-NLS-2$
                new FunctionParameter("integer1", DataTypeManager.DefaultDataTypes.INTEGER, "")}, //$NON-NLS-1$ //$NON-NLS-2$
              new FunctionParameter("result", DataTypeManager.DefaultDataTypes.INTEGER, "") ) ); //$NON-NLS-1$ //$NON-NLS-2$       
   
    pushdownFunctions.add(new FunctionMethod(INTER_CACHE + '.' + "IS_NUMERIC", "IS_NUMERIC", INTER_CACHE, //$NON-NLS-1$ //$NON-NLS-2$
              new FunctionParameter[] {
                  new FunctionParameter("string1", DataTypeManager.DefaultDataTypes.STRING, "")}, //$NON-NLS-1$ //$NON-NLS-2$
              new FunctionParameter("result", DataTypeManager.DefaultDataTypes.INTEGER, "") ) ); //$NON-NLS-1$ //$NON-NLS-2$
       
    pushdownFunctions.add(new FunctionMethod(INTER_CACHE + '.' + "REPLICATE", "REPLICATE", INTER_CACHE, //$NON-NLS-1$ //$NON-NLS-2$
              new FunctionParameter[] {
                new FunctionParameter("string1", DataTypeManager.DefaultDataTypes.STRING, ""), //$NON-NLS-1$ //$NON-NLS-2$
                new FunctionParameter("integer1", DataTypeManager.DefaultDataTypes.INTEGER, "")}, //$NON-NLS-1$ //$NON-NLS-2$
              new FunctionParameter("result", DataTypeManager.DefaultDataTypes.STRING, "") ) ); //$NON-NLS-1$ //$NON-NLS-2$       
   
    pushdownFunctions.add(new FunctionMethod(INTER_CACHE + '.' + "REVERSE", "REVERSE", INTER_CACHE, //$NON-NLS-1$ //$NON-NLS-2$
              new FunctionParameter[] {
                  new FunctionParameter("string1", DataTypeManager.DefaultDataTypes.STRING, "")}, //$NON-NLS-1$ //$NON-NLS-2$
              new FunctionParameter("result", DataTypeManager.DefaultDataTypes.STRING, "") ) ); //$NON-NLS-1$ //$NON-NLS-2$
   
    pushdownFunctions.add(new FunctionMethod(INTER_CACHE + '.' + "STUFF", "STUFF", INTER_CACHE, //$NON-NLS-1$ //$NON-NLS-2$
              new FunctionParameter[] {
                new FunctionParameter("string1", DataTypeManager.DefaultDataTypes.STRING, ""), //$NON-NLS-1$ //$NON-NLS-2$
                new FunctionParameter("integer1", DataTypeManager.DefaultDataTypes.STRING, ""), //$NON-NLS-1$ //$NON-NLS-2$
                new FunctionParameter("integer2", DataTypeManager.DefaultDataTypes.INTEGER, ""), //$NON-NLS-1$ //$NON-NLS-2$
                new FunctionParameter("string2", DataTypeManager.DefaultDataTypes.STRING, "")}, //$NON-NLS-1$ //$NON-NLS-2$
              new FunctionParameter("result", DataTypeManager.DefaultDataTypes.STRING, "") ) ); //$NON-NLS-1$ //$NON-NLS-2$     
   
    pushdownFunctions.add(new FunctionMethod(INTER_CACHE + '.' + "TRIM", "TRIM", INTER_CACHE, //$NON-NLS-1$ //$NON-NLS-2$
              new FunctionParameter[] {
                  new FunctionParameter("string1", DataTypeManager.DefaultDataTypes.STRING, "")}, //$NON-NLS-1$ //$NON-NLS-2$
              new FunctionParameter("result", DataTypeManager.DefaultDataTypes.STRING, "") ) ); //$NON-NLS-1$ //$NON-NLS-2$
   
      return pushdownFunctions;
    }

   
    @Override
    public String translateLiteralDate(Date dateValue) {
        return "to_date('" + formatDateValue(dateValue) + "', 'yyyy-mm-dd')"; //$NON-NLS-1$//$NON-NLS-2$
    }

    @Override
    public String translateLiteralTime(Time timeValue) {
        return "to_date('" + formatDateValue(timeValue) + "', 'hh:mi:ss')"; //$NON-NLS-1$//$NON-NLS-2$
    }
   
    @Override
    public String translateLiteralTimestamp(Timestamp timestampValue) {
        return "to_timestamp('" + formatDateValue(timestampValue) + "', 'yyyy-mm-dd hh:mi:ss.fffffffff')"; //$NON-NLS-1$//$NON-NLS-2$
   
   
    @Override
    public NullOrder getDefaultNullOrder() {
      return NullOrder.LAST;
    }   
   
    @Override
    public boolean supportsInlineViews() {
        return true;
    }
   
}
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