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Lendo valores com SELECT, cursor.execute e cursor.fetchall no PyMySQL

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This commit is contained in:
Luiz Otávio
2023-04-15 13:22:07 -03:00
parent 8b555fb640
commit 20f85e42c4
1 changed files with 18 additions and 3 deletions
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21
aula206/main.py
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@@ -35,6 +35,7 @@ with connection:
# Começo a manipular dados a partir daqui # Começo a manipular dados a partir daqui
# Inserindo um valor usando placeholder e um iterável
with connection.cursor() as cursor: with connection.cursor() as cursor:
sql = ( sql = (
f'INSERT INTO {TABLE_NAME} ' f'INSERT INTO {TABLE_NAME} '
@@ -48,6 +49,7 @@ with connection:
# print(result) # print(result)
connection.commit() connection.commit()
# Inserindo um valor usando placeholder e um dicionário
with connection.cursor() as cursor: with connection.cursor() as cursor:
sql = ( sql = (
f'INSERT INTO {TABLE_NAME} ' f'INSERT INTO {TABLE_NAME} '
@@ -65,6 +67,7 @@ with connection:
# print(result) # print(result)
connection.commit() connection.commit()
# Inserindo vários valores usando placeholder e um tupla de dicionários
with connection.cursor() as cursor: with connection.cursor() as cursor:
sql = ( sql = (
f'INSERT INTO {TABLE_NAME} ' f'INSERT INTO {TABLE_NAME} '
@@ -83,6 +86,7 @@ with connection:
# print(result) # print(result)
connection.commit() connection.commit()
# Inserindo vários valores usando placeholder e um tupla de tuplas
with connection.cursor() as cursor: with connection.cursor() as cursor:
sql = ( sql = (
f'INSERT INTO {TABLE_NAME} ' f'INSERT INTO {TABLE_NAME} '
@@ -95,7 +99,18 @@ with connection:
("Helena", 15, ), ("Helena", 15, ),
) )
result = cursor.executemany(sql, data4) # type: ignore result = cursor.executemany(sql, data4) # type: ignore
print(sql) # print(sql)
print(data4) # print(data4)
print(result) # print(result)
connection.commit() connection.commit()
# Lendo os valores com SELECT
with connection.cursor() as cursor:
sql = (
f'SELECT * FROM {TABLE_NAME} '
)
cursor.execute(sql) # type: ignore
data5 = cursor.fetchall() # type: ignore
for row in data5:
print(row)