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41 lines
1.3 KiB
Python
41 lines
1.3 KiB
Python
from pokedex.db import metadata
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### Helper functions for oracle
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def rewrite_long_table_names():
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"""Modifies the table names to disenvowel long table names.
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Takes the metadata from memory or uses the imported one.
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Returns a dictionary matching short names -> long names.
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"""
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# Load table names from metadata
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t_names = metadata.tables.keys()
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table_names = list(t_names)
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table_objs = [metadata.tables[name] for name in table_names]
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# Prepare a dictionary to match old<->new names
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dictionary = {}
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# Shorten table names, Oracle limits table and column names to 30 chars
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for table in table_objs:
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table._orginal_name = table.name[:]
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dictionary[table.name]=table._orginal_name
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if len(table._orginal_name) > 30:
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for letter in ['a', 'e', 'i', 'o', 'u', 'y']:
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table.name=table.name.replace(letter,'')
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dictionary[table.name]=table._orginal_name
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return dictionary
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def restore_long_table_names(metadata,dictionary):
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"""Modifies the table names to restore the long-naming.
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`metadata`
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The metadata to restore.
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`dictionary`
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The dictionary matching short name -> long name.
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"""
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for table in metadata.tables.values():
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table.name = dictionary[table.name]
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