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-rw-r--r--lib/sqlalchemy/dialects/mysql/base.py12
1 files changed, 6 insertions, 6 deletions
diff --git a/lib/sqlalchemy/dialects/mysql/base.py b/lib/sqlalchemy/dialects/mysql/base.py
index ebef48a77..387b0141c 100644
--- a/lib/sqlalchemy/dialects/mysql/base.py
+++ b/lib/sqlalchemy/dialects/mysql/base.py
@@ -2252,7 +2252,7 @@ class MySQLTypeCompiler(compiler.GenericTypeCompiler):
return "YEAR(%s)" % type_.display_width
def visit_TEXT(self, type_, **kw):
- if type_.length:
+ if type_.length is not None:
return self._extend_string(type_, {}, "TEXT(%d)" % type_.length)
else:
return self._extend_string(type_, {}, "TEXT")
@@ -2267,7 +2267,7 @@ class MySQLTypeCompiler(compiler.GenericTypeCompiler):
return self._extend_string(type_, {}, "LONGTEXT")
def visit_VARCHAR(self, type_, **kw):
- if type_.length:
+ if type_.length is not None:
return self._extend_string(type_, {}, "VARCHAR(%d)" % type_.length)
else:
raise exc.CompileError(
@@ -2275,7 +2275,7 @@ class MySQLTypeCompiler(compiler.GenericTypeCompiler):
)
def visit_CHAR(self, type_, **kw):
- if type_.length:
+ if type_.length is not None:
return self._extend_string(
type_, {}, "CHAR(%(length)s)" % {"length": type_.length}
)
@@ -2285,7 +2285,7 @@ class MySQLTypeCompiler(compiler.GenericTypeCompiler):
def visit_NVARCHAR(self, type_, **kw):
# We'll actually generate the equiv. "NATIONAL VARCHAR" instead
# of "NVARCHAR".
- if type_.length:
+ if type_.length is not None:
return self._extend_string(
type_,
{"national": True},
@@ -2299,7 +2299,7 @@ class MySQLTypeCompiler(compiler.GenericTypeCompiler):
def visit_NCHAR(self, type_, **kw):
# We'll actually generate the equiv.
# "NATIONAL CHAR" instead of "NCHAR".
- if type_.length:
+ if type_.length is not None:
return self._extend_string(
type_,
{"national": True},
@@ -2327,7 +2327,7 @@ class MySQLTypeCompiler(compiler.GenericTypeCompiler):
return self._visit_enumerated_values("ENUM", type_, type_.enums)
def visit_BLOB(self, type_, **kw):
- if type_.length:
+ if type_.length is not None:
return "BLOB(%d)" % type_.length
else:
return "BLOB"