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Code Issues Releases Wiki Activity

improved sql parser.

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This commit is contained in:
wenshao
2016-10-20 15:59:10 +08:00
parent f66c08fb51
commit cc58cf8be9
9 changed files with 126 additions and 8 deletions
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src/main/java/com/alibaba/druid/sql/parser/SQLParserUtils.java
+41
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@@ -16,18 +16,25 @@
package com.alibaba.druid.sql.parser;
import com.alibaba.druid.sql.dialect.db2.parser.DB2ExprParser;
import com.alibaba.druid.sql.dialect.db2.parser.DB2Lexer;
import com.alibaba.druid.sql.dialect.db2.parser.DB2StatementParser;
import com.alibaba.druid.sql.dialect.mysql.parser.MySqlExprParser;
import com.alibaba.druid.sql.dialect.mysql.parser.MySqlLexer;
import com.alibaba.druid.sql.dialect.mysql.parser.MySqlStatementParser;
import com.alibaba.druid.sql.dialect.odps.parser.OdpsExprParser;
import com.alibaba.druid.sql.dialect.odps.parser.OdpsLexer;
import com.alibaba.druid.sql.dialect.odps.parser.OdpsStatementParser;
import com.alibaba.druid.sql.dialect.oracle.parser.OracleExprParser;
import com.alibaba.druid.sql.dialect.oracle.parser.OracleLexer;
import com.alibaba.druid.sql.dialect.oracle.parser.OracleStatementParser;
import com.alibaba.druid.sql.dialect.phoenix.parser.PhoenixExprParser;
import com.alibaba.druid.sql.dialect.phoenix.parser.PhoenixLexer;
import com.alibaba.druid.sql.dialect.phoenix.parser.PhoenixStatementParser;
import com.alibaba.druid.sql.dialect.postgresql.parser.PGExprParser;
import com.alibaba.druid.sql.dialect.postgresql.parser.PGLexer;
import com.alibaba.druid.sql.dialect.postgresql.parser.PGSQLStatementParser;
import com.alibaba.druid.sql.dialect.sqlserver.parser.SQLServerExprParser;
import com.alibaba.druid.sql.dialect.sqlserver.parser.SQLServerLexer;
import com.alibaba.druid.sql.dialect.sqlserver.parser.SQLServerStatementParser;
import com.alibaba.druid.util.JdbcUtils;
@@ -106,4 +113,38 @@ public class SQLParserUtils {
return new SQLExprParser(sql);
}
public static Lexer createLexer(String sql, String dbType) {
if (JdbcUtils.ORACLE.equals(dbType) || JdbcUtils.ALI_ORACLE.equals(dbType)) {
return new OracleLexer(sql);
}
if (JdbcUtils.MYSQL.equals(dbType) || //
JdbcUtils.MARIADB.equals(dbType) || //
JdbcUtils.H2.equals(dbType)) {
return new MySqlLexer(sql);
}
if (JdbcUtils.POSTGRESQL.equals(dbType)) {
return new PGLexer(sql);
}
if (JdbcUtils.SQL_SERVER.equals(dbType) || JdbcUtils.JTDS.equals(dbType)) {
return new SQLServerLexer(sql);
}
if (JdbcUtils.DB2.equals(dbType)) {
return new DB2Lexer(sql);
}
if (JdbcUtils.ODPS.equals(dbType)) {
return new OdpsLexer(sql);
}
if (JdbcUtils.PHOENIX.equals(dbType)) {
return new PhoenixLexer(sql);
}
return new Lexer(sql);
}
}