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Diffstat (limited to 'lib/sqlalchemy/sql/compiler.py')
| -rw-r--r-- | lib/sqlalchemy/sql/compiler.py | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/lib/sqlalchemy/sql/compiler.py b/lib/sqlalchemy/sql/compiler.py index 8bd2249e2..fa7eeaecf 100644 --- a/lib/sqlalchemy/sql/compiler.py +++ b/lib/sqlalchemy/sql/compiler.py @@ -498,6 +498,15 @@ class SQLCompiler(Compiled): """ + insert_single_values_expr = None + """When an INSERT is compiled with a single set of parameters inside + a VALUES expression, the string is assigned here, where it can be + used for insert batching schemes to rewrite the VALUES expression. + + .. versionadded:: 1.3.8 + + """ + insert_prefetch = update_prefetch = () def __init__( @@ -2512,7 +2521,10 @@ class SQLCompiler(Compiled): ) ) else: - text += " VALUES (%s)" % ", ".join([c[1] for c in crud_params]) + insert_single_values_expr = ", ".join([c[1] for c in crud_params]) + text += " VALUES (%s)" % insert_single_values_expr + if toplevel: + self.insert_single_values_expr = insert_single_values_expr if insert_stmt._post_values_clause is not None: post_values_clause = self.process( |