Examples with MySqlUserName com.alibaba.druid.sql.dialect.mysql.ast.expr.MySqlUserName used on opensource projects

Example 1 with MySqlUserName

use of com.alibaba.druid.sql.dialect.mysql.ast.expr.MySqlUserName in project druid by alibaba.

the class MySqlExprParser method primaryRest.

public final SQLExpr primaryRest(SQLExpr expr) {
    if (expr == null) {
        throw new IllegalArgumentException("expr");
    }
    if (lexer.token() == Token.LITERAL_CHARS) {
        if (expr instanceof SQLIdentifierExpr) {
            SQLIdentifierExpr identExpr = (SQLIdentifierExpr) expr;
            String ident = identExpr.getName();
            if (ident.equalsIgnoreCase("x")) {
                String charValue = lexer.stringVal();
                lexer.nextToken();
                expr = new SQLHexExpr(charValue);
                return primaryRest(expr);
            } else if (ident.equalsIgnoreCase("b")) {
                String charValue = lexer.stringVal();
                lexer.nextToken();
                expr = new SQLBinaryExpr(charValue);
                return primaryRest(expr);
            } else if (ident.startsWith("_")) {
                String charValue = lexer.stringVal();
                lexer.nextToken();
                MySqlCharExpr mysqlCharExpr = new MySqlCharExpr(charValue);
                mysqlCharExpr.setCharset(identExpr.getName());
                if (identifierEquals("COLLATE")) {
                    lexer.nextToken();
                    String collate = lexer.stringVal();
                    mysqlCharExpr.setCollate(collate);
                    accept(Token.IDENTIFIER);
                }
                expr = mysqlCharExpr;
                return primaryRest(expr);
            }
        } else if (expr instanceof SQLCharExpr) {
            SQLMethodInvokeExpr concat = new SQLMethodInvokeExpr("CONCAT");
            concat.addParameter(expr);
            do {
                String chars = lexer.stringVal();
                concat.addParameter(new SQLCharExpr(chars));
                lexer.nextToken();
            } while (lexer.token() == Token.LITERAL_CHARS || lexer.token() == Token.LITERAL_ALIAS);
            expr = concat;
        }
    } else if (lexer.token() == Token.IDENTIFIER) {
        if (expr instanceof SQLHexExpr) {
            if ("USING".equalsIgnoreCase(lexer.stringVal())) {
                lexer.nextToken();
                if (lexer.token() != Token.IDENTIFIER) {
                    throw new ParserException("syntax error, illegal hex");
                }
                String charSet = lexer.stringVal();
                lexer.nextToken();
                expr.getAttributes().put("USING", charSet);
                return primaryRest(expr);
            }
        } else if ("COLLATE".equalsIgnoreCase(lexer.stringVal())) {
            lexer.nextToken();
            if (lexer.token() == Token.EQ) {
                lexer.nextToken();
            }
            if (lexer.token() != Token.IDENTIFIER) {
                throw new ParserException("syntax error");
            }
            String collate = lexer.stringVal();
            lexer.nextToken();
            SQLBinaryOpExpr binaryExpr = new SQLBinaryOpExpr(expr, SQLBinaryOperator.COLLATE, new SQLIdentifierExpr(collate), JdbcConstants.MYSQL);
            expr = binaryExpr;
            return primaryRest(expr);
        } else if (expr instanceof SQLVariantRefExpr) {
            if ("COLLATE".equalsIgnoreCase(lexer.stringVal())) {
                lexer.nextToken();
                if (lexer.token() != Token.IDENTIFIER) {
                    throw new ParserException("syntax error");
                }
                String collate = lexer.stringVal();
                lexer.nextToken();
                expr.putAttribute("COLLATE", collate);
                return primaryRest(expr);
            }
        } else if (expr instanceof SQLIntegerExpr) {
            SQLIntegerExpr intExpr = (SQLIntegerExpr) expr;
            String binaryString = lexer.stringVal();
            if (intExpr.getNumber().intValue() == 0 && binaryString.startsWith("b")) {
                lexer.nextToken();
                expr = new SQLBinaryExpr(binaryString.substring(1));
                return primaryRest(expr);
            }
        }
    }
    if (lexer.token() == Token.LPAREN && expr instanceof SQLIdentifierExpr) {
        SQLIdentifierExpr identExpr = (SQLIdentifierExpr) expr;
        String ident = identExpr.getName();
        if ("EXTRACT".equalsIgnoreCase(ident)) {
            lexer.nextToken();
            if (lexer.token() != Token.IDENTIFIER) {
                throw new ParserException("syntax error");
            }
            String unitVal = lexer.stringVal();
            MySqlIntervalUnit unit = MySqlIntervalUnit.valueOf(unitVal.toUpperCase());
            lexer.nextToken();
            accept(Token.FROM);
            SQLExpr value = expr();
            MySqlExtractExpr extract = new MySqlExtractExpr();
            extract.setValue(value);
            extract.setUnit(unit);
            accept(Token.RPAREN);
            expr = extract;
            return primaryRest(expr);
        } else if ("SUBSTRING".equalsIgnoreCase(ident)) {
            lexer.nextToken();
            SQLMethodInvokeExpr methodInvokeExpr = new SQLMethodInvokeExpr(ident);
            for (; ; ) {
                SQLExpr param = expr();
                methodInvokeExpr.addParameter(param);
                if (lexer.token() == Token.COMMA) {
                    lexer.nextToken();
                    continue;
                } else if (lexer.token() == Token.FROM) {
                    lexer.nextToken();
                    SQLExpr from = expr();
                    methodInvokeExpr.addParameter(from);
                    if (lexer.token() == Token.FOR) {
                        lexer.nextToken();
                        SQLExpr forExpr = expr();
                        methodInvokeExpr.addParameter(forExpr);
                    }
                    break;
                } else if (lexer.token() == Token.RPAREN) {
                    break;
                } else {
                    throw new ParserException("syntax error");
                }
            }
            accept(Token.RPAREN);
            expr = methodInvokeExpr;
            return primaryRest(expr);
        } else if ("TRIM".equalsIgnoreCase(ident)) {
            lexer.nextToken();
            SQLMethodInvokeExpr methodInvokeExpr = new SQLMethodInvokeExpr(ident);
            if (lexer.token() == Token.IDENTIFIER) {
                String flagVal = lexer.stringVal();
                if ("LEADING".equalsIgnoreCase(flagVal)) {
                    lexer.nextToken();
                    methodInvokeExpr.getAttributes().put("TRIM_TYPE", "LEADING");
                } else if ("BOTH".equalsIgnoreCase(flagVal)) {
                    lexer.nextToken();
                    methodInvokeExpr.getAttributes().put("TRIM_TYPE", "BOTH");
                } else if ("TRAILING".equalsIgnoreCase(flagVal)) {
                    lexer.nextToken();
                    methodInvokeExpr.putAttribute("TRIM_TYPE", "TRAILING");
                }
            }
            SQLExpr param = expr();
            methodInvokeExpr.addParameter(param);
            if (lexer.token() == Token.FROM) {
                lexer.nextToken();
                SQLExpr from = expr();
                methodInvokeExpr.putAttribute("FROM", from);
            }
            accept(Token.RPAREN);
            expr = methodInvokeExpr;
            return primaryRest(expr);
        } else if ("MATCH".equalsIgnoreCase(ident)) {
            lexer.nextToken();
            MySqlMatchAgainstExpr matchAgainstExpr = new MySqlMatchAgainstExpr();
            if (lexer.token() == Token.RPAREN) {
                lexer.nextToken();
            } else {
                exprList(matchAgainstExpr.getColumns(), matchAgainstExpr);
                accept(Token.RPAREN);
            }
            acceptIdentifier("AGAINST");
            accept(Token.LPAREN);
            SQLExpr against = primary();
            matchAgainstExpr.setAgainst(against);
            if (lexer.token() == Token.IN) {
                lexer.nextToken();
                if (identifierEquals("NATURAL")) {
                    lexer.nextToken();
                    acceptIdentifier("LANGUAGE");
                    acceptIdentifier("MODE");
                    if (lexer.token() == Token.WITH) {
                        lexer.nextToken();
                        acceptIdentifier("QUERY");
                        acceptIdentifier("EXPANSION");
                        matchAgainstExpr.setSearchModifier(SearchModifier.IN_NATURAL_LANGUAGE_MODE_WITH_QUERY_EXPANSION);
                    } else {
                        matchAgainstExpr.setSearchModifier(SearchModifier.IN_NATURAL_LANGUAGE_MODE);
                    }
                } else if (identifierEquals("BOOLEAN")) {
                    lexer.nextToken();
                    acceptIdentifier("MODE");
                    matchAgainstExpr.setSearchModifier(SearchModifier.IN_BOOLEAN_MODE);
                } else {
                    throw new ParserException("TODO");
                }
            } else if (lexer.token() == Token.WITH) {
                throw new ParserException("TODO");
            }
            accept(Token.RPAREN);
            expr = matchAgainstExpr;
            return primaryRest(expr);
        } else if (("CONVERT".equalsIgnoreCase(ident)) || ("CHAR".equalsIgnoreCase(ident))) {
            lexer.nextToken();
            SQLMethodInvokeExpr methodInvokeExpr = new SQLMethodInvokeExpr(ident);
            if (lexer.token() != Token.RPAREN) {
                exprList(methodInvokeExpr.getParameters(), methodInvokeExpr);
            }
            if (identifierEquals("USING")) {
                lexer.nextToken();
                if (lexer.token() != Token.IDENTIFIER) {
                    throw new ParserException("syntax error");
                }
                String charset = lexer.stringVal();
                lexer.nextToken();
                methodInvokeExpr.putAttribute("USING", charset);
            }
            accept(Token.RPAREN);
            expr = methodInvokeExpr;
            return primaryRest(expr);
        } else if ("POSITION".equalsIgnoreCase(ident)) {
            accept(Token.LPAREN);
            SQLExpr subStr = this.primary();
            accept(Token.IN);
            SQLExpr str = this.expr();
            accept(Token.RPAREN);
            SQLMethodInvokeExpr locate = new SQLMethodInvokeExpr("LOCATE");
            locate.addParameter(subStr);
            locate.addParameter(str);
            expr = locate;
            return primaryRest(expr);
        }
    }
    if (lexer.token() == Token.VARIANT && "@".equals(lexer.stringVal())) {
        lexer.nextToken();
        MySqlUserName userName = new MySqlUserName();
        if (expr instanceof SQLCharExpr) {
            userName.setUserName(((SQLCharExpr) expr).toString());
        } else {
            userName.setUserName(((SQLIdentifierExpr) expr).getName());
        }
        if (lexer.token() == Token.LITERAL_CHARS) {
            userName.setHost("'" + lexer.stringVal() + "'");
        } else {
            userName.setHost(lexer.stringVal());
        }
        lexer.nextToken();
        return userName;
    }
    if (lexer.token() == Token.ERROR) {
        throw new ParserException("syntax error, token: " + lexer.token() + " " + lexer.stringVal() + ", pos : " + lexer.pos());
    }
    return super.primaryRest(expr);
}

Example 2 with MySqlUserName

use of com.alibaba.druid.sql.dialect.mysql.ast.expr.MySqlUserName in project druid by alibaba.

the class MySqlExprParser method nameRest.

public SQLName nameRest(SQLName name) {
    if (lexer.token() == Token.VARIANT && "@".equals(lexer.stringVal())) {
        lexer.nextToken();
        MySqlUserName userName = new MySqlUserName();
        userName.setUserName(((SQLIdentifierExpr) name).getName());
        if (lexer.token() == Token.LITERAL_CHARS) {
            userName.setHost("'" + lexer.stringVal() + "'");
        } else {
            userName.setHost(lexer.stringVal());
        }
        lexer.nextToken();
        return userName;
    }
    return super.nameRest(name);
}

Example 3 with MySqlUserName

use of com.alibaba.druid.sql.dialect.mysql.ast.expr.MySqlUserName in project druid by alibaba.

the class MySqlASTVisitorAdapterTest method test_adapter.

public void test_adapter() throws Exception {
    MySqlASTVisitorAdapter adapter = new MySqlASTVisitorAdapter();
    new SQLBooleanExpr().accept(adapter);
    new SQLLimit().accept(adapter);
    new MySqlTableIndex().accept(adapter);
    new MySqlKey().accept(adapter);
    new MySqlPrimaryKey().accept(adapter);
    new MySqlIntervalExpr().accept(adapter);
    new SQLBinaryExpr().accept(adapter);
    new MySqlPrepareStatement().accept(adapter);
    new MySqlExecuteStatement().accept(adapter);
    new MysqlDeallocatePrepareStatement().accept(adapter);
    new MySqlDeleteStatement().accept(adapter);
    new MySqlInsertStatement().accept(adapter);
    new MySqlLoadXmlStatement().accept(adapter);
    new MySqlReplaceStatement().accept(adapter);
    new SQLStartTransactionStatement().accept(adapter);
    new MySqlRollbackStatement().accept(adapter);
    new MySqlShowColumnsStatement().accept(adapter);
    new MySqlShowDatabasesStatement().accept(adapter);
    new MySqlShowWarningsStatement().accept(adapter);
    new MySqlShowStatusStatement().accept(adapter);
    new CobarShowStatus().accept(adapter);
    new MySqlKillStatement().accept(adapter);
    new MySqlBinlogStatement().accept(adapter);
    new MySqlResetStatement().accept(adapter);
    new UserSpecification().accept(adapter);
    new MySqlPartitionByKey().accept(adapter);
    new MySqlOutFileExpr().accept(adapter);
    new MySqlUpdateStatement().accept(adapter);
    new MySqlSetTransactionStatement().accept(adapter);
    new MySqlSetNamesStatement().accept(adapter);
    new MySqlShowMasterLogsStatement().accept(adapter);
    new MySqlSetCharSetStatement().accept(adapter);
    new MySqlShowAuthorsStatement().accept(adapter);
    new MySqlShowCollationStatement().accept(adapter);
    new MySqlShowBinLogEventsStatement().accept(adapter);
    new MySqlShowCharacterSetStatement().accept(adapter);
    new MySqlShowContributorsStatement().accept(adapter);
    new MySqlShowCreateDatabaseStatement().accept(adapter);
    new MySqlShowCreateEventStatement().accept(adapter);
    new MySqlShowCreateFunctionStatement().accept(adapter);
    new MySqlShowCreateProcedureStatement().accept(adapter);
    new MySqlShowCreateTableStatement().accept(adapter);
    new MySqlShowCreateTriggerStatement().accept(adapter);
    new MySqlShowCreateViewStatement().accept(adapter);
    new MySqlShowEngineStatement().accept(adapter);
    new MySqlShowEnginesStatement().accept(adapter);
    new MySqlShowErrorsStatement().accept(adapter);
    new MySqlShowEventsStatement().accept(adapter);
    new MySqlShowFunctionCodeStatement().accept(adapter);
    new MySqlShowFunctionStatusStatement().accept(adapter);
    new MySqlShowGrantsStatement().accept(adapter);
    new MySqlUserName().accept(adapter);
    new MySqlShowIndexesStatement().accept(adapter);
    new MySqlShowKeysStatement().accept(adapter);
    new MySqlShowMasterStatusStatement().accept(adapter);
    new MySqlShowOpenTablesStatement().accept(adapter);
    new MySqlShowBinaryLogsStatement().accept(adapter);
    new MySqlShowPluginsStatement().accept(adapter);
    new MySqlShowPrivilegesStatement().accept(adapter);
    new MySqlShowProcedureCodeStatement().accept(adapter);
    new MySqlShowProcedureStatusStatement().accept(adapter);
    new MySqlShowProcessListStatement().accept(adapter);
    new MySqlShowProfileStatement().accept(adapter);
    new MySqlShowSlaveHostsStatement().accept(adapter);
    new MySqlShowRelayLogEventsStatement().accept(adapter);
    new MySqlShowSlaveStatusStatement().accept(adapter);
    new MySqlShowTableStatusStatement().accept(adapter);
    new MySqlShowTriggersStatement().accept(adapter);
    new MySqlRenameTableStatement().accept(adapter);
    new MySqlUnionQuery().accept(adapter);
    new MySqlUseIndexHint().accept(adapter);
    new MySqlIgnoreIndexHint().accept(adapter);
    new MySqlLockTableStatement().accept(adapter);
    new MySqlUnlockTablesStatement().accept(adapter);
    new MySqlForceIndexHint().accept(adapter);
    new MySqlAlterTableChangeColumn().accept(adapter);
    new MySqlAlterTableCharacter().accept(adapter);
    new MySqlAlterTableOption().accept(adapter);
    new MySqlCreateTableStatement().accept(adapter);
    new MySqlCharExpr().accept(adapter);
    new MySqlUnique().accept(adapter);
    new MySqlAlterTableModifyColumn().accept(adapter);
    new MySqlAlterTableDiscardTablespace().accept(adapter);
    new MySqlAlterTableImportTablespace().accept(adapter);
    new TableSpaceOption().accept(adapter);
}