from .aggtst_base import TstView

class aggtst_charn_count(TstView):

def __init__(self):

# Validated on Postgres

self.data = [{"count": 4}]

self.sql = """CREATE MATERIALIZED VIEW charn_count AS SELECT

COUNT(*) AS count

FROM atbl_charn"""

class aggtst_charn_count_gby(TstView):

def __init__(self):

# Validated on Postgres

self.data = [{"id": 0, "count": 2}, {"id": 1, "count": 2}]

self.sql = """CREATE MATERIALIZED VIEW charn_count_gby AS SELECT

id, COUNT(*) AS count

FROM atbl_charn

GROUP BY id"""

# Checked manually since Postgres disagrees with us here

# While the length for CHAR is set to 7, for CHAR(N), the length function in Postgres disregards trailing spaces at the end of table values

class aggtst_charn_count_where(TstView):

def __init__(self):

# Validated on Postgres

self.data = [{"count": 3}]

self.sql = """CREATE MATERIALIZED VIEW charn_count_where AS SELECT

COUNT(*) FILTER(WHERE length(f_c1)>4) AS count

FROM atbl_charn"""

class aggtst_varcharn_count_where_groupby(TstView):

def __init__(self):

# Validated on Postgres

self.data = [{"id": 0, "count": 1}, {"id": 1, "count": 2}]

self.sql = """CREATE MATERIALIZED VIEW charn_count_where_gby AS SELECT

id, COUNT(*) FILTER(WHERE length(f_c1)>4) AS count

FROM atbl_charn

GROUP BY id"""