sqlite check if row exists
SELECT EXISTS(SELECT 1 FROM myTbl WHERE u_tag="tag");sqlite check if row exists
SELECT EXISTS(SELECT 1 FROM myTbl WHERE u_tag="tag");if exits python sql
for name in ('bar','foo'):
cursor.execute("SELECT rowid FROM components WHERE name = ?", (name,))
data=cursor.fetchall()
if len(data)==0:
print('There is no component named %s'%name)
else:
print('Component %s found with rowids %s'%(name,','.join(map(str, next(zip(*data))))))Copyright © 2021 Codeinu
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