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

Example 26 with SchemaStatVisitor

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

the class SchemaStatTest10 method test_schemaStat.

public void test_schemaStat() throws Exception {
    String sql = "select a.id, b.name from table1 a inner join table2 b on a.id = b.id";
    String dbType = JdbcConstants.ORACLE;
    SQLStatementParser parser = SQLParserUtils.createSQLStatementParser(sql, dbType);
    SQLStatement stmt = parser.parseStatementList().get(0);
    SchemaStatVisitor statVisitor = SQLUtils.createSchemaStatVisitor(dbType);
    stmt.accept(statVisitor);
    Set<TableStat.Relationship> relationships = statVisitor.getRelationships();
    for (TableStat.Relationship relationship : relationships) {
        // table1.id = table2.id
        System.out.println(relationship);
    }
    //        System.out.println(statVisitor.getColumns());
    //        System.out.println(statVisitor.getGroupByColumns()); // group by
    // group by
    System.out.println("relationships : " + statVisitor.getRelationships());
    //        System.out.println(statVisitor.getConditions());
    Assert.assertEquals(3, statVisitor.getColumns().size());
    Assert.assertEquals(2, statVisitor.getConditions().size());
    assertEquals(0, statVisitor.getFunctions().size());
}

Example 27 with SchemaStatVisitor

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

the class SchemaStatTest13 method test_schemaStat.

public void test_schemaStat() throws Exception {
    String sql = "select a.id, b.name from (select t1.* from table1 t1 left join table3 t3 on cast(t1.id as bigint) = t3.id) a inner join table2 b on a.id = b.id";
    String dbType = JdbcConstants.ORACLE;
    SQLStatementParser parser = SQLParserUtils.createSQLStatementParser(sql, dbType);
    SQLStatement stmt = parser.parseStatementList().get(0);
    SchemaStatVisitor statVisitor = SQLUtils.createSchemaStatVisitor(dbType);
    stmt.accept(statVisitor);
    Set<TableStat.Relationship> relationships = statVisitor.getRelationships();
    for (TableStat.Relationship relationship : relationships) {
        // table1.id = table2.id
        System.out.println(relationship);
    }
    //        System.out.println(statVisitor.getColumns());
    //        System.out.println(statVisitor.getGroupByColumns()); // group by
    // group by
    System.out.println("relationships : " + statVisitor.getRelationships());
    System.out.println(statVisitor.getConditions());
    assertEquals(2, relationships.size());
    Assert.assertEquals(5, statVisitor.getColumns().size());
    Assert.assertEquals(3, statVisitor.getConditions().size());
    assertEquals(0, statVisitor.getFunctions().size());
}

Example 28 with SchemaStatVisitor

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

the class SchemaStatTest2 method test_schemaStat.

public void test_schemaStat() throws Exception {
    String sql = "select " + " create_time_dd          as  来电日期" + " from alisec_app.adl_tb_wing_rubbish_laidian_new_reason_realname_fdt  " + " order by   来电日期  desc  limit  30;";
    String dbType = JdbcConstants.MYSQL;
    SQLStatementParser parser = SQLParserUtils.createSQLStatementParser(sql, dbType);
    SQLStatement stmt = parser.parseStatementList().get(0);
    SchemaStatVisitor statVisitor = SQLUtils.createSchemaStatVisitor(dbType);
    stmt.accept(statVisitor);
    System.out.println(statVisitor.getColumns());
    Assert.assertEquals(1, statVisitor.getColumns().size());
}

Example 29 with SchemaStatVisitor

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

the class SchemaStatTest3 method test_schemaStat.

public void test_schemaStat() throws Exception {
    String sql = "select count(*) from t";
    String dbType = JdbcConstants.MYSQL;
    SQLStatementParser parser = SQLParserUtils.createSQLStatementParser(sql, dbType);
    SQLStatement stmt = parser.parseStatementList().get(0);
    SchemaStatVisitor statVisitor = SQLUtils.createSchemaStatVisitor(dbType);
    stmt.accept(statVisitor);
    System.out.println(statVisitor.getColumns());
    Assert.assertEquals(0, statVisitor.getColumns().size());
}

Example 30 with SchemaStatVisitor

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

the class SchemaStatTest5 method test_schemaStat.

public void test_schemaStat() throws Exception {
    String sql = "create table t_org (fid int, name varchar(256))";
    String dbType = JdbcConstants.MYSQL;
    List<SQLStatement> stmtList = SQLUtils.parseStatements(sql, dbType);
    SQLStatement stmt = stmtList.get(0);
    SchemaStatVisitor statVisitor = SQLUtils.createSchemaStatVisitor(dbType);
    stmt.accept(statVisitor);
    System.out.println(statVisitor.getColumns());
    System.out.println(statVisitor.getTables());
    System.out.println(statVisitor.getConditions());
    Assert.assertEquals(2, statVisitor.getColumns().size());
}