Adding upstream version 3.5.0.upstream/3.5.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 71 insertions, 0 deletions

diff --git a/pgcli/packages/formatter/sqlformatter.py b/pgcli/packages/formatter/sqlformatter.py
new file mode 100644
index 0000000..5bf25fe
--- /dev/null
+++ b/pgcli/packages/formatter/sqlformatter.py
@@ -0,0 +1,71 @@
+# coding=utf-8
+
+from pgcli.packages.parseutils.tables import extract_tables
+
+
+supported_formats = (
+    "sql-insert",
+    "sql-update",
+    "sql-update-1",
+    "sql-update-2",
+)
+
+preprocessors = ()
+
+
+def escape_for_sql_statement(value):
+    if isinstance(value, bytes):
+        return f"X'{value.hex()}'"
+    else:
+        return "'{}'".format(value)
+
+
+def adapter(data, headers, table_format=None, **kwargs):
+    tables = extract_tables(formatter.query)
+    if len(tables) > 0:
+        table = tables[0]
+        if table[0]:
+            table_name = "{}.{}".format(*table[:2])
+        else:
+            table_name = table[1]
+    else:
+        table_name = '"DUAL"'
+    if table_format == "sql-insert":
+        h = '", "'.join(headers)
+        yield 'INSERT INTO "{}" ("{}") VALUES'.format(table_name, h)
+        prefix = "  "
+        for d in data:
+            values = ", ".join(escape_for_sql_statement(v) for i, v in enumerate(d))
+            yield "{}({})".format(prefix, values)
+            if prefix == "  ":
+                prefix = ", "
+        yield ";"
+    if table_format.startswith("sql-update"):
+        s = table_format.split("-")
+        keys = 1
+        if len(s) > 2:
+            keys = int(s[-1])
+        for d in data:
+            yield 'UPDATE "{}" SET'.format(table_name)
+            prefix = "  "
+            for i, v in enumerate(d[keys:], keys):
+                yield '{}"{}" = {}'.format(
+                    prefix, headers[i], escape_for_sql_statement(v)
+                )
+                if prefix == "  ":
+                    prefix = ", "
+            f = '"{}" = {}'
+            where = (
+                f.format(headers[i], escape_for_sql_statement(d[i]))
+                for i in range(keys)
+            )
+            yield "WHERE {};".format(" AND ".join(where))
+
+
+def register_new_formatter(TabularOutputFormatter):
+    global formatter
+    formatter = TabularOutputFormatter
+    for sql_format in supported_formats:
+        TabularOutputFormatter.register_new_formatter(
+            sql_format, adapter, preprocessors, {"table_format": sql_format}
+        )