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add migration for upcoming change to tiger tables

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This commit is contained in:
Sarah Hoffmann
2022-01-27 11:41:16 +01:00
parent 6b89624f33
commit 98432395c3
2 changed files with 14 additions and 2 deletions
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14
nominatim/tools/migration.py
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@@ -231,7 +231,7 @@ def create_interpolation_index_on_place(conn, **_):
@_migration(4, 0, 99, 2)
def add_step_column_for_interpolation(conn, **_):
""" Add a new column 'step' to the interpolations table which will.
""" Add a new column 'step' to the interpolations table.
Also convers the data into the stricter format which requires that
startnumbers comply with the odd/even requirements.
@@ -259,3 +259,15 @@ def add_step_column_for_interpolation(conn, **_):
SET step = CASE WHEN interpolationtype = 'all'
THEN 1 ELSE 2 END
""")
@_migration(4, 0, 99, 3)
def add_step_column_for_tiger(conn, **_):
""" Add a new column 'step' to the tiger data table.
"""
with conn.cursor() as cur:
cur.execute("ALTER TABLE location_property_tiger ADD COLUMN step SMALLINT")
cur.execute("""UPDATE location_property_tiger
SET step = CASE WHEN interpolationtype = 'all'
THEN 1 ELSE 2 END
""")

2
nominatim/version.py
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@@ -24,7 +24,7 @@ Version information for Nominatim.
# patch level when cherry-picking the commit with the migration.
#
# Released versions always have a database patch level of 0.
NOMINATIM_VERSION = (4, 0, 99, 3)
NOMINATIM_VERSION = (4, 0, 99, 4)
POSTGRESQL_REQUIRED_VERSION = (9, 5)
POSTGIS_REQUIRED_VERSION = (2, 2)