docstr: Tests that a SELECT {geom} AS {some_other_geom} works.
docstr_tok: ["Tests","that","a","SELECT","{","geom","}","AS","{","some_other_geom","}","works","."]
code: def test_read_postgis_select_geom_as(
      self, connection_postgis, df_nybb
  ):
      """Tests that a SELECT {geom} AS {some_other_geom} works."""
      con = connection_postgis
      orig_geom = "geom"
      out_geom = "the_geom"
      create_postgis(con, df_nybb, geom_col=orig_geom)
  
      sql = """SELECT borocode, boroname, shape_leng, shape_area,
                      {} as {} FROM nybb;""".format(
          orig_geom, out_geom
      )
      df = read_postgis(sql, con, geom_col=out_geom)
  
      validate_boro_df(df)
  
imports: import os
  import warnings
  import pandas
  import geopandas
  from geopandas import GeoDataFrame, read_file, read_postgis
  import geopandas._compat
  from geopandas.io.sql import _get_conn, _write_postgis
  from geopandas.tests.util import create_postgis, create_spatialite, validate_boro_df
  import pytest
label_desc: Use image node_id 4 for calling the TestIO obj's underlying member method code with example usage: obj.test_read_postgis_select_geom_as(connection_postgis, df_nybb) without return types