Notes
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def create_indexes(engine, schema_name, table_name):
"""Create necessary indexes after data is loaded into the table."""
with engine.connect() as connection:
try:
# Create unique index
unique_index_statement = text(f"""
CREATE UNIQUE INDEX IF NOT EXISTS {table_name}_unique_idx
ON {schema_name}.{table_name} (datadate, gvkey, curcdd);
""")
connection.execute(unique_index_statement)
logging.info(f"Unique index {table_name}_unique_idx created successfully")
except Exception as e:
logging.error(f"Failed to create unique index: {e}")
try:
# Create non-unique index
index_statement = text(f"""
CREATE INDEX IF NOT EXISTS {table_name}_index
ON {schema_name}.{table_name} (gvkey, datadate);
""")
connection.execute(index_statement)
logging.info(f"Index {table_name}_index created successfully")
except Exception as e:
logging.error(f"Failed to create index: {e}")
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