Examples with SQLASTVisitorAdapter com.alibaba.druid.sql.visitor.SQLASTVisitorAdapter used on opensource projects

Example 6 with SQLASTVisitorAdapter

use of com.alibaba.druid.sql.visitor.SQLASTVisitorAdapter in project druid by alibaba.

the class MySqlSelectTest_204_dla method test_0.

public void test_0() throws Exception {
    String sql = "SELECT temp_1.$1, temp_2.smallint_col\n" + "FROM \n" + "TABLE temp_1\n" + "(\n" + "  $1 int,\n" + "  $2 int\n" + ")\n" + "TBLPROPERTIES (\n" + "  TYPE='oss',\n" + "  LOCATION='oss//x.x.x.x:xxx/test_db',\n" + "  SCHEMA='test_db'\n" + ")\n" + "META LIFECYCLE 1\n" + "\n" + "JOIN\n" + "\n" + "TABLE temp_2\n" + "(\n" + "    id INT COMMENT 'default',\n" + "    bool_col BOOLEAN COMMENT 'default',\n" + "    tinyint_col TINYINT COMMENT 'default',\n" + "    smallint_col SMALLINT COMMENT 'default',\n" + "    int_col INT COMMENT 'default',\n" + "    bigint_col BIGINT COMMENT 'default',\n" + "    float_col FLOAT COMMENT 'default',\n" + "    double_col DOUBLE COMMENT 'default',\n" + "    date_string_col STRING COMMENT 'default',\n" + "    string_col STRING COMMENT 'default',\n" + "    timestamp_col TIMESTAMP COMMENT 'default'\n" + ")\n" + "ROW FORMAT SERDE 'org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe' \n" + "WITH SERDEPROPERTIES ('field.delim'='|', 'serialization.format'='|') \n" + "STORED AS INPUTFORMAT 'org.apache.hadoop.mapred.TextInputFormat'\n" + "OUTPUTFORMAT 'org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat'\n" + "LOCATION 'oss://xxx/xxx/xxx.csv'\n" + "TBLPROPERTIES ('recursive.directories'='false')\n" + "META LIFECYCLE 1\n" + "\n" + "ON temp_1.$1 = temp_2.id\n" + "WHERE temp_2.bool_col = true;";
    // System.out.println(sql);
    MySqlStatementParser parser = new MySqlStatementParser(sql);
    List<SQLStatement> statementList = parser.parseStatementList();
    SQLSelectStatement stmt = (SQLSelectStatement) statementList.get(0);
    assertEquals(1, statementList.size());
    assertEquals("SELECT temp_1.$1, temp_2.smallint_col\n" + "FROM TABLE temp_1 (\n" + "\t$1 int,\n" + "\t$2 int\n" + ")\n" + "TBLPROPERTIES (\n" + "\t'TYPE' = 'oss',\n" + "\t'LOCATION' = 'oss//x.x.x.x:xxx/test_db',\n" + "\t'SCHEMA' = 'test_db'\n" + ")\n" + "META LIFECYCLE 1\n" + "\tJOIN TABLE temp_2 (\n" + "\t\tid INT COMMENT 'default',\n" + "\t\tbool_col BOOLEAN COMMENT 'default',\n" + "\t\ttinyint_col TINYINT COMMENT 'default',\n" + "\t\tsmallint_col SMALLINT COMMENT 'default',\n" + "\t\tint_col INT COMMENT 'default',\n" + "\t\tbigint_col BIGINT COMMENT 'default',\n" + "\t\tfloat_col FLOAT COMMENT 'default',\n" + "\t\tdouble_col DOUBLE COMMENT 'default',\n" + "\t\tdate_string_col STRING COMMENT 'default',\n" + "\t\tstring_col STRING COMMENT 'default',\n" + "\t\ttimestamp_col TIMESTAMP COMMENT 'default'\n" + "\t)\n" + "\tROW FORMAT\n" + "\t\tSERDE 'org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe'\n" + "\tWITH SERDEPROPERTIES (\n" + "\t\t'field.delim' = '|',\n" + "\t\t'serialization.format' = '|'\n" + "\t)\n" + "\tSTORED AS\n" + "\t\tINPUTFORMAT 'org.apache.hadoop.mapred.TextInputFormat'\n" + "\t\tOUTPUTFORMAT 'org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat'\n" + "\tLOCATION 'oss://xxx/xxx/xxx.csv'\n" + "\tTBLPROPERTIES (\n" + "\t\t'recursive.directories' = 'false'\n" + "\t)\n" + "\tMETA LIFECYCLE 1 ON temp_1.$1 = temp_2.id\n" + "WHERE temp_2.bool_col = true;", stmt.toString());
    assertEquals("select temp_1.$1, temp_2.smallint_col\n" + "from table temp_1 (\n" + "\t$1 int,\n" + "\t$2 int\n" + ")\n" + "tblproperties (\n" + "\t'TYPE' = 'oss',\n" + "\t'LOCATION' = 'oss//x.x.x.x:xxx/test_db',\n" + "\t'SCHEMA' = 'test_db'\n" + ")\n" + "meta lifecycle 1\n" + "\tjoin table temp_2 (\n" + "\t\tid INT comment 'default',\n" + "\t\tbool_col BOOLEAN comment 'default',\n" + "\t\ttinyint_col TINYINT comment 'default',\n" + "\t\tsmallint_col SMALLINT comment 'default',\n" + "\t\tint_col INT comment 'default',\n" + "\t\tbigint_col BIGINT comment 'default',\n" + "\t\tfloat_col FLOAT comment 'default',\n" + "\t\tdouble_col DOUBLE comment 'default',\n" + "\t\tdate_string_col STRING comment 'default',\n" + "\t\tstring_col STRING comment 'default',\n" + "\t\ttimestamp_col TIMESTAMP comment 'default'\n" + "\t)\n" + "\trow rowFormat\n" + "\t\tserde 'org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe'\n" + "\twith serdeproperties (\n" + "\t\t'field.delim' = '|',\n" + "\t\t'serialization.format' = '|'\n" + "\t)\n" + "\tstored as\n" + "\t\tinputformat 'org.apache.hadoop.mapred.TextInputFormat'\n" + "\t\toutputformat 'org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat'\n" + "\tlocation 'oss://xxx/xxx/xxx.csv'\n" + "\ttblproperties (\n" + "\t\t'recursive.directories' = 'false'\n" + "\t)\n" + "\tmeta lifecycle 1 on temp_1.$1 = temp_2.id\n" + "where temp_2.bool_col = true;", stmt.toLowerCaseString());
    final TempTableNameGen tempTableNameGen = new TempTableNameGen() {

        @Override
        public String generateName() {
            return "__temp_table_1";
        }
    };
    final List<SQLCreateTableStatement> createTableStatementList = new ArrayList<SQLCreateTableStatement>();
    SQLASTVisitorAdapter v = new MySqlASTVisitorAdapter() {

        public boolean visit(SQLAdhocTableSource x) {
            final String tableName = tempTableNameGen.generateName();
            HiveCreateTableStatement createStmt = (HiveCreateTableStatement) x.getDefinition();
            createStmt.setParent(null);
            createStmt.setTableName(tableName);
            createStmt.setExternal(true);
            SQLUtils.replaceInParent(x, new SQLExprTableSource(tableName));
            createTableStatementList.add(createStmt);
            return false;
        }

        public boolean visit(SQLVariantRefExpr x) {
            String name = x.getName();
            if (name != null && name.startsWith("$")) {
                SQLUtils.replaceInParent(x, new SQLIdentifierExpr(name));
            }
            return false;
        }
    };
    stmt.accept(v);
    for (SQLCreateTableStatement createStmt : createTableStatementList) {
        System.out.println(createStmt.toString(VisitorFeature.OutputNameQuote));
    }
    System.out.println();
    System.out.println(stmt.toString(VisitorFeature.OutputNameQuote));
    HiveCreateTableStatement createTableStatement = (HiveCreateTableStatement) createTableStatementList.get(0);
    SQLExpr lifeCycle = createTableStatement.getMetaLifeCycle();
    if (lifeCycle instanceof SQLIntegerExpr) {
        int intValue = ((SQLIntegerExpr) lifeCycle).getNumber().intValue();
    } else if (lifeCycle instanceof SQLIdentifierExpr && ((SQLIdentifierExpr) lifeCycle).nameHashCode64() == FnvHash.Constants.ALWAYS) {
    // always
    }
// 
}