Examples with BinaryOperatorExpression com.alibaba.cobar.parser.ast.expression.BinaryOperatorExpression used on opensource projects

Example 1 with BinaryOperatorExpression

use of com.alibaba.cobar.parser.ast.expression.BinaryOperatorExpression in project cobar by alibaba.

the class PartitionKeyVisitor method visit.

@Override
public void visit(BinaryOperatorExpression node) {
    Expression left = node.getLeftOprand();
    Expression right = node.getRightOprand();
    visitChild(2, false, false, left, right);
}

Example 2 with BinaryOperatorExpression

use of com.alibaba.cobar.parser.ast.expression.BinaryOperatorExpression in project cobar by alibaba.

the class MySQLExprParserTest method testExpr1.

public void testExpr1() throws Exception {
    String sql = "\"abc\" /* */  '\\'s' + id2/ id3, 123-456*(ii moD d)";
    MySQLLexer lexer = new MySQLLexer(sql);
    MySQLExprParser parser = new MySQLExprParser(lexer);
    Expression expr = parser.expression();
    String output = output2MySQL(expr, sql);
    Assert.assertEquals("'abc\\'s' + id2 / id3", output);
    Assert.assertEquals(ArithmeticAddExpression.class, expr.getClass());
    BinaryOperatorExpression bex = (BinaryOperatorExpression) ((ArithmeticAddExpression) expr).getRightOprand();
    Assert.assertEquals(ArithmeticDivideExpression.class, bex.getClass());
    Assert.assertEquals(Identifier.class, bex.getRightOprand().getClass());
    lexer.nextToken();
    parser = new MySQLExprParser(lexer);
    expr = parser.expression();
    output = output2MySQL(expr, sql);
    Assert.assertEquals("123 - 456 * (ii % d)", output);
    Assert.assertEquals(ArithmeticSubtractExpression.class, expr.getClass());
    sql = "(n'\"abc\"' \"abc\" /* */  '\\'s' + 1.123e1/ id3)*(.1e3-a||b)mod x'abc'&&(select 0b1001^b'0000')";
    lexer = new MySQLLexer(sql);
    parser = new MySQLExprParser(lexer);
    expr = parser.expression();
    output = output2MySQL(expr, sql);
    Assert.assertEquals("(N'\"abc\"abc\\'s' + 11.23 / id3) * (1E+2 - a OR b) % x'abc' AND (SELECT b'1001' ^ b'0000')", output);
    Assert.assertEquals(LogicalAndExpression.class, expr.getClass());
    bex = (BinaryOperatorExpression) ((LogicalAndExpression) expr).getOperand(0);
    Assert.assertEquals(ArithmeticModExpression.class, bex.getClass());
    bex = (BinaryOperatorExpression) ((ArithmeticModExpression) bex).getLeftOprand();
    Assert.assertEquals(ArithmeticMultiplyExpression.class, bex.getClass());
    bex = (BinaryOperatorExpression) ((ArithmeticMultiplyExpression) bex).getLeftOprand();
    Assert.assertEquals(ArithmeticAddExpression.class, bex.getClass());
    Assert.assertEquals(LiteralString.class, ((ArithmeticAddExpression) bex).getLeftOprand().getClass());
    bex = (BinaryOperatorExpression) ((ArithmeticAddExpression) bex).getRightOprand();
    Assert.assertEquals(ArithmeticDivideExpression.class, bex.getClass());
    Assert.assertEquals(DMLSelectStatement.class, ((LogicalAndExpression) expr).getOperand(1).getClass());
    sql = "not! ~`select` in (1,current_date,`current_date`)like `all` div a between (c&&d) and (d|e)";
    lexer = new MySQLLexer(sql);
    parser = new MySQLExprParser(lexer);
    expr = parser.expression();
    output = output2MySQL(expr, sql);
    Assert.assertEquals("NOT ! ~ `select` IN (1, CURDATE(), `current_date`) LIKE `all` DIV a BETWEEN (c AND d) AND d | e", output);
    Assert.assertEquals(LogicalNotExpression.class, expr.getClass());
    TernaryOperatorExpression tex = (TernaryOperatorExpression) ((LogicalNotExpression) expr).getOperand();
    Assert.assertEquals(BetweenAndExpression.class, tex.getClass());
    Assert.assertEquals(LikeExpression.class, tex.getFirst().getClass());
    Assert.assertEquals(LogicalAndExpression.class, tex.getSecond().getClass());
    Assert.assertEquals(BitOrExpression.class, tex.getThird().getClass());
    tex = (TernaryOperatorExpression) ((BetweenAndExpression) tex).getFirst();
    Assert.assertEquals(InExpression.class, tex.getFirst().getClass());
    Assert.assertEquals(ArithmeticIntegerDivideExpression.class, tex.getSecond().getClass());
    bex = (BinaryOperatorExpression) (InExpression) tex.getFirst();
    Assert.assertEquals(NegativeValueExpression.class, bex.getLeftOprand().getClass());
    Assert.assertEquals(InExpressionList.class, bex.getRightOprand().getClass());
    UnaryOperatorExpression uex = (UnaryOperatorExpression) ((NegativeValueExpression) bex.getLeftOprand());
    Assert.assertEquals(BitInvertExpression.class, uex.getOperand().getClass());
    sql = " binary case ~a||b&&c^d xor e when 2>any(select a ) then 3 else 4 end is not null =a";
    lexer = new MySQLLexer(sql);
    parser = new MySQLExprParser(lexer);
    expr = parser.expression();
    output = output2MySQL(expr, sql);
    Assert.assertEquals("BINARY CASE ~ a OR b AND c ^ d XOR e WHEN 2 > ANY (SELECT a) THEN 3 ELSE 4 END IS NOT NULL = a", output);
    Assert.assertEquals(ComparisionEqualsExpression.class, expr.getClass());
    bex = (BinaryOperatorExpression) ((ComparisionEqualsExpression) expr);
    Assert.assertEquals(ComparisionIsExpression.class, bex.getLeftOprand().getClass());
    Assert.assertEquals(Identifier.class, bex.getRightOprand().getClass());
    ComparisionIsExpression cex = (ComparisionIsExpression) bex.getLeftOprand();
    Assert.assertEquals(CastBinaryExpression.class, cex.getOperand().getClass());
    uex = (UnaryOperatorExpression) cex.getOperand();
    Assert.assertEquals(CaseWhenOperatorExpression.class, uex.getOperand().getClass());
    CaseWhenOperatorExpression cwex = (CaseWhenOperatorExpression) uex.getOperand();
    Assert.assertEquals(LogicalOrExpression.class, cwex.getComparee().getClass());
    PolyadicOperatorExpression pex = (LogicalOrExpression) cwex.getComparee();
    Assert.assertEquals(BitInvertExpression.class, pex.getOperand(0).getClass());
    Assert.assertEquals(LogicalXORExpression.class, pex.getOperand(1).getClass());
    bex = (LogicalXORExpression) pex.getOperand(1);
    Assert.assertEquals(LogicalAndExpression.class, bex.getLeftOprand().getClass());
    Assert.assertEquals(Identifier.class, bex.getRightOprand().getClass());
    pex = (LogicalAndExpression) bex.getLeftOprand();
    Assert.assertEquals(Identifier.class, pex.getOperand(0).getClass());
    Assert.assertEquals(BitXORExpression.class, pex.getOperand(1).getClass());
    sql = " !interval(a,b)<=>a>>b collate x /?+a!=@@1 or @var sounds like -(a-b) mod -(d or e)";
    lexer = new MySQLLexer(sql);
    parser = new MySQLExprParser(lexer);
    expr = parser.expression();
    output = output2MySQL(expr, sql);
    Assert.assertEquals("! INTERVAL(a, b) <=> a >> b COLLATE x / ? + a != @@1 OR @var SOUNDS LIKE - (a - b) % - (d OR e)", output);
    Assert.assertEquals(LogicalOrExpression.class, expr.getClass());
    pex = (LogicalOrExpression) expr;
    Assert.assertEquals(ComparisionNotEqualsExpression.class, pex.getOperand(0).getClass());
    Assert.assertEquals(SoundsLikeExpression.class, pex.getOperand(1).getClass());
    bex = (BinaryOperatorExpression) pex.getOperand(0);
    Assert.assertEquals(ComparisionNullSafeEqualsExpression.class, bex.getLeftOprand().getClass());
    Assert.assertEquals(SysVarPrimary.class, bex.getRightOprand().getClass());
    bex = (BinaryOperatorExpression) bex.getLeftOprand();
    Assert.assertEquals(NegativeValueExpression.class, bex.getLeftOprand().getClass());
    Assert.assertEquals(BitShiftExpression.class, bex.getRightOprand().getClass());
    bex = (BinaryOperatorExpression) bex.getRightOprand();
    Assert.assertEquals(Identifier.class, bex.getLeftOprand().getClass());
    Assert.assertEquals(ArithmeticAddExpression.class, bex.getRightOprand().getClass());
    bex = (BinaryOperatorExpression) bex.getRightOprand();
    Assert.assertEquals(ArithmeticDivideExpression.class, bex.getLeftOprand().getClass());
    Assert.assertEquals(Identifier.class, bex.getRightOprand().getClass());
    bex = (BinaryOperatorExpression) bex.getLeftOprand();
    Assert.assertEquals(CollateExpression.class, bex.getLeftOprand().getClass());
    Assert.assertEquals(ParamMarker.class, bex.getRightOprand().getClass());
    bex = (BinaryOperatorExpression) ((LogicalOrExpression) expr).getOperand(1);
    Assert.assertEquals(UsrDefVarPrimary.class, bex.getLeftOprand().getClass());
    Assert.assertEquals(ArithmeticModExpression.class, bex.getRightOprand().getClass());
    bex = (BinaryOperatorExpression) bex.getRightOprand();
    Assert.assertEquals(MinusExpression.class, bex.getLeftOprand().getClass());
    Assert.assertEquals(MinusExpression.class, bex.getRightOprand().getClass());
    uex = (UnaryOperatorExpression) bex.getLeftOprand();
    Assert.assertEquals(ArithmeticSubtractExpression.class, uex.getOperand().getClass());
    uex = (UnaryOperatorExpression) bex.getRightOprand();
    Assert.assertEquals(LogicalOrExpression.class, uex.getOperand().getClass());
}

Example 3 with BinaryOperatorExpression

use of com.alibaba.cobar.parser.ast.expression.BinaryOperatorExpression in project cobar by alibaba.

the class MySQLExprParserTest method testAssignment.

public void testAssignment() throws Exception {
    String sql = "a /*dd*/:=b:=c";
    MySQLExprParser parser = new MySQLExprParser(new MySQLLexer(sql));
    Expression expr = parser.expression();
    String output = output2MySQL(expr, sql);
    Assert.assertEquals("a := b := c", output);
    Assert.assertEquals(AssignmentExpression.class, expr.getClass());
    AssignmentExpression ass = (AssignmentExpression) expr;
    Assert.assertEquals(AssignmentExpression.class, ass.getRightOprand().getClass());
    ass = (AssignmentExpression) ass.getRightOprand();
    Assert.assertEquals("b", ((Identifier) ass.getLeftOprand()).getIdText());
    sql = "c=@var:=1";
    parser = new MySQLExprParser(new MySQLLexer(sql));
    expr = parser.expression();
    output = output2MySQL(expr, sql);
    Assert.assertEquals("c = (@var := 1)", output);
    Assert.assertEquals(ComparisionEqualsExpression.class, expr.getClass());
    ass = (AssignmentExpression) ((BinaryOperatorExpression) expr).getRightOprand();
    UsrDefVarPrimary usr = (UsrDefVarPrimary) ass.getLeftOprand();
    Assert.assertEquals("@var", usr.getVarText());
    sql = "a:=b or c &&d :=0b1101 or b'01'&0xabc";
    parser = new MySQLExprParser(new MySQLLexer(sql));
    expr = parser.expression();
    output = output2MySQL(expr, sql);
    Assert.assertEquals("a := b OR c AND d := b'1101' OR b'01' & x'abc'", output);
    Assert.assertEquals(AssignmentExpression.class, expr.getClass());
    ass = (AssignmentExpression) expr;
    Assert.assertEquals(AssignmentExpression.class, ass.getRightOprand().getClass());
    ass = (AssignmentExpression) ass.getRightOprand();
    Assert.assertEquals(LogicalOrExpression.class, ass.getLeftOprand().getClass());
    Assert.assertEquals(LogicalOrExpression.class, ass.getRightOprand().getClass());
    LogicalOrExpression lor = (LogicalOrExpression) ass.getLeftOprand();
    Assert.assertEquals(LogicalAndExpression.class, lor.getOperand(1).getClass());
    lor = (LogicalOrExpression) ass.getRightOprand();
    Assert.assertEquals(LiteralBitField.class, lor.getOperand(0).getClass());
    Assert.assertEquals(BitAndExpression.class, lor.getOperand(1).getClass());
    sql = "a:=((b or (c &&d)) :=((0b1101 or (b'01'&0xabc))))";
    parser = new MySQLExprParser(new MySQLLexer(sql));
    expr = parser.expression();
    output = output2MySQL(expr, sql);
    Assert.assertEquals("a := b OR c AND d := b'1101' OR b'01' & x'abc'", output);
    Assert.assertEquals(AssignmentExpression.class, expr.getClass());
    ass = (AssignmentExpression) expr;
    Assert.assertEquals(AssignmentExpression.class, ass.getRightOprand().getClass());
    ass = (AssignmentExpression) ass.getRightOprand();
    Assert.assertEquals(LogicalOrExpression.class, ass.getLeftOprand().getClass());
    Assert.assertEquals(LogicalOrExpression.class, ass.getRightOprand().getClass());
    lor = (LogicalOrExpression) ass.getLeftOprand();
    Assert.assertEquals(LogicalAndExpression.class, lor.getOperand(1).getClass());
    lor = (LogicalOrExpression) ass.getRightOprand();
    Assert.assertEquals(LiteralBitField.class, lor.getOperand(0).getClass());
    Assert.assertEquals(BitAndExpression.class, lor.getOperand(1).getClass());
    sql = "(a:=b) or c &&(d :=0b1101 or b'01')&0xabc ^null";
    parser = new MySQLExprParser(new MySQLLexer(sql));
    expr = parser.expression();
    output = output2MySQL(expr, sql);
    Assert.assertEquals("(a := b) OR c AND (d := b'1101' OR b'01') & x'abc' ^ NULL", output);
    Assert.assertEquals(LogicalOrExpression.class, expr.getClass());
    lor = (LogicalOrExpression) expr;
    Assert.assertEquals(AssignmentExpression.class, lor.getOperand(0).getClass());
    Assert.assertEquals(LogicalAndExpression.class, lor.getOperand(1).getClass());
    LogicalAndExpression land = (LogicalAndExpression) lor.getOperand(1);
    Assert.assertEquals(Identifier.class, land.getOperand(0).getClass());
    Assert.assertEquals(BitAndExpression.class, land.getOperand(1).getClass());
    BitAndExpression band = (BitAndExpression) land.getOperand(1);
    Assert.assertEquals(AssignmentExpression.class, band.getLeftOprand().getClass());
    Assert.assertEquals(BitXORExpression.class, band.getRightOprand().getClass());
    ass = (AssignmentExpression) band.getLeftOprand();
    Assert.assertEquals(LogicalOrExpression.class, ass.getRightOprand().getClass());
    BitXORExpression bxor = (BitXORExpression) band.getRightOprand();
    Assert.assertEquals(LiteralHexadecimal.class, bxor.getLeftOprand().getClass());
    Assert.assertEquals(LiteralNull.class, bxor.getRightOprand().getClass());
}

Example 4 with BinaryOperatorExpression

use of com.alibaba.cobar.parser.ast.expression.BinaryOperatorExpression in project cobar by alibaba.

the class MySQLOutputASTVisitor method visit.

@Override
public void visit(BinaryOperatorExpression node) {
    Expression left = node.getLeftOprand();
    boolean paren = node.isLeftCombine() ? left.getPrecedence() < node.getPrecedence() : left.getPrecedence() <= node.getPrecedence();
    if (paren)
        appendable.append('(');
    left.accept(this);
    if (paren)
        appendable.append(')');
    appendable.append(' ').append(node.getOperator()).append(' ');
    Expression right = node.getRightOprand();
    paren = node.isLeftCombine() ? right.getPrecedence() <= node.getPrecedence() : right.getPrecedence() < node.getPrecedence();
    if (paren)
        appendable.append('(');
    right.accept(this);
    if (paren)
        appendable.append(')');
}