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Testing INSERT ... RETURNING with executemany() in cx_Oracle
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#!/usr/bin/env python3 | |
import cx_Oracle | |
def main(): | |
db = cx_Oracle.connect(dsn="gen3_cred_salnikov") | |
cur = db.cursor() | |
data = [dict(val1=1, val2=10), | |
dict(val1=2, val2=20), | |
dict(val1=3, val2=30)] | |
IdArr = cur.var(int, arraysize=len(data)) | |
print(f"IdArr = {IdArr} @{id(IdArr)}") | |
cur.setinputsizes(ret_0=IdArr) | |
print("pre-execute cursor.bindvars = ", cur.bindvars) | |
cur.executemany("insert into test_table_ret (id, val1, val2) " | |
"values (test_table_ret_id_seq.nextval, :val1, :val2) " | |
"returning id into :ret_0", data) | |
bindvars = cur.bindvars | |
print("post-execute cursor.bindvars = ", bindvars) | |
print(f"ret_0 = {bindvars['ret_0']} @{id(bindvars['ret_0'])}") | |
for ix, datum in enumerate(data): | |
print("Data: " , datum, "ID: ", IdArr.getvalue(ix)) | |
if __name__ == "__main__": | |
main() |
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