Package org.eclipse.persistence.expressions

Examples of org.eclipse.persistence.expressions.ExpressionOperator

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    /**
     * INTERNAL: Postgres to_number has two arguments, as fix format argument.
     */
    protected ExpressionOperator toNumberOperator() {
        ExpressionOperator exOperator = new ExpressionOperator();
        exOperator.setType(ExpressionOperator.FunctionOperator);
        exOperator.setSelector(ExpressionOperator.ToNumber);
        Vector v = org.eclipse.persistence.internal.helper.NonSynchronizedVector.newInstance(2);
        v.addElement("TO_NUMBER(");
        v.addElement(", '999999999.9999')");
        exOperator.printsAs(v);
        exOperator.bePrefix();
        exOperator.setNodeClass(ClassConstants.FunctionExpression_Class);
        return exOperator;
    }
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    /**
     * INTERNAL: Override the default locate operator.
     */
    protected ExpressionOperator operatorLocate() {
        ExpressionOperator result = new ExpressionOperator();
        result.setSelector(ExpressionOperator.Locate);
        Vector v = new Vector(3);
        v.addElement("STRPOS(");
        v.addElement(", ");
        v.addElement(")");
        result.printsAs(v);
        result.bePrefix();
        result.setNodeClass(RelationExpression.class);
        return result;
    }
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    /**
     * INTERNAL: Override the default locate operator.
     */
    protected ExpressionOperator operatorLocate2() {
        ExpressionOperator operator = new ExpressionOperator();
        operator.setSelector(ExpressionOperator.Locate2);
        Vector v = NonSynchronizedVector.newInstance(2);
        v.add("COALESCE(NULLIF(STRPOS(SUBSTRING(");
        v.add(" FROM ");
        v.add("), ");
        v.add("), 0) - 1 + ");
        v.add(", 0)");       
        operator.printsAs(v);
        operator.bePrefix();
        int[] argumentIndices = new int[4];
        argumentIndices[0] = 0;
        argumentIndices[1] = 2;
        argumentIndices[2] = 1;
        argumentIndices[3] = 2;
        operator.setArgumentIndices(argumentIndices);
        operator.setNodeClass(RelationExpression.class);
        return operator;
    }
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    /**
     * INTERNAL:
     * Create the 10 based log operator for this platform.
     */
    protected ExpressionOperator logOperator() {
        ExpressionOperator result = new ExpressionOperator();
        result.setSelector(ExpressionOperator.Log);
        Vector v = org.eclipse.persistence.internal.helper.NonSynchronizedVector.newInstance(2);
        v.addElement("LOG(10, ");
        v.addElement(")");
        result.printsAs(v);
        result.bePrefix();
        result.setNodeClass(FunctionExpression.class);
        return result;

    }
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    /**
     * INTERNAL:
     * Build MySQL equivalent to TO_NUMBER.
     */
    protected ExpressionOperator toNumberOperator() {
        ExpressionOperator exOperator = new ExpressionOperator();
        exOperator.setType(ExpressionOperator.FunctionOperator);
        exOperator.setSelector(ExpressionOperator.ToNumber);
        Vector v = org.eclipse.persistence.internal.helper.NonSynchronizedVector.newInstance(2);
        v.addElement("CONVERT(");
        v.addElement(", SIGNED)");
        exOperator.printsAs(v);
        exOperator.bePrefix();
        exOperator.setNodeClass(ClassConstants.FunctionExpression_Class);
        return exOperator;
    }
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    /**
     * INTERNAL:
     * Build MySQL equivalent to TO_DATE.
     */
    protected ExpressionOperator toDateOperator() {
        ExpressionOperator exOperator = new ExpressionOperator();
        exOperator.setType(ExpressionOperator.FunctionOperator);
        exOperator.setSelector(ExpressionOperator.ToDate);
        Vector v = org.eclipse.persistence.internal.helper.NonSynchronizedVector.newInstance(2);
        v.addElement("CONVERT(");
        v.addElement(", DATETIME)");
        exOperator.printsAs(v);
        exOperator.bePrefix();
        exOperator.setNodeClass(ClassConstants.FunctionExpression_Class);
        return exOperator;
    }
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    /**
     * INTERNAL:
     * Build MySQL equivalent to TO_CHAR.
     */
    protected ExpressionOperator toCharOperator() {
        ExpressionOperator exOperator = new ExpressionOperator();
        exOperator.setType(ExpressionOperator.FunctionOperator);
        exOperator.setSelector(ExpressionOperator.ToChar);
        Vector v = org.eclipse.persistence.internal.helper.NonSynchronizedVector.newInstance(2);
        v.addElement("CONVERT(");
        v.addElement(", CHAR)");
        exOperator.printsAs(v);
        exOperator.bePrefix();
        exOperator.setNodeClass(ClassConstants.FunctionExpression_Class);
        return exOperator;
    }
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    /**
     * INTERNAL:
     * Build MySQL equivalent to TO_CHAR.
     */
    protected ExpressionOperator dateToStringOperator() {
        ExpressionOperator exOperator = new ExpressionOperator();
        exOperator.setType(ExpressionOperator.FunctionOperator);
        exOperator.setSelector(ExpressionOperator.DateToString);
        Vector v = org.eclipse.persistence.internal.helper.NonSynchronizedVector.newInstance(2);
        v.addElement("CONVERT(");
        v.addElement(", CHAR)");
        exOperator.printsAs(v);
        exOperator.bePrefix();
        exOperator.setNodeClass(ClassConstants.FunctionExpression_Class);
        return exOperator;
    }
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     * INTERNAL:
     * Build MySQL equivalent to LTRIM(string_exp, character).
     * MySQL: TRIM(LEADING character FROM string_exp)
     */
    protected ExpressionOperator leftTrim2() {
        ExpressionOperator exOperator = new ExpressionOperator();
        exOperator.setType(ExpressionOperator.FunctionOperator);
        exOperator.setSelector(ExpressionOperator.LeftTrim2);
        Vector v = org.eclipse.persistence.internal.helper.NonSynchronizedVector.newInstance(5);
        v.addElement("TRIM(LEADING ");
        v.addElement(" FROM ");
        v.addElement(")");
        exOperator.printsAs(v);
        exOperator.bePrefix();
        int[] indices = {1, 0};
        exOperator.setArgumentIndices(indices);
        exOperator.setNodeClass(ClassConstants.FunctionExpression_Class);
        return exOperator;
    }
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     * INTERNAL:
     * Build MySQL equivalent to RTRIM(string_exp, character).
     * MySQL: TRIM(TRAILING character FROM string_exp)
     */
    protected ExpressionOperator rightTrim2() {
        ExpressionOperator exOperator = new ExpressionOperator();
        exOperator.setType(ExpressionOperator.FunctionOperator);
        exOperator.setSelector(ExpressionOperator.RightTrim2);
        Vector v = org.eclipse.persistence.internal.helper.NonSynchronizedVector.newInstance(5);
        v.addElement("TRIM(TRAILING ");
        v.addElement(" FROM ");
        v.addElement(")");
        exOperator.printsAs(v);
        exOperator.bePrefix();
        int[] indices = {1, 0};
        exOperator.setArgumentIndices(indices);
        exOperator.setNodeClass(ClassConstants.FunctionExpression_Class);
        return exOperator;
    }
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  • org.eclipse.persistence.internal.expressions.SpatialExpressionOperators
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  • org.eclipse.persistence.internal.sessions.factories.ObjectPersistenceRuntimeXMLProject
  • org.eclipse.persistence.platform.database.DerbyPlatform
  • org.eclipse.persistence.platform.database.FirebirdPlatform
  • org.eclipse.persistence.platform.database.H2Platform
  • org.eclipse.persistence.platform.database.HANAPlatform
  • org.eclipse.persistence.platform.database.HSQLPlatform
  • org.eclipse.persistence.platform.database.Informix11Platform
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