perf scripts python: exported-sql-viewer.py: Move column headers

Move column headers from SQLAutoTableModel into SQLTableModel so that
they can be used for other models based on SQLTableModel.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Adrian Hunter 2019-02-22 09:27:21 +02:00 committed by Arnaldo Carvalho de Melo
parent 655cb952de
commit 8c90fef9a8
1 changed files with 13 additions and 12 deletions

View File

@ -1821,12 +1821,13 @@ class SQLTableModel(TableModel):
progress = Signal(object)
def __init__(self, glb, sql, column_count, parent=None):
def __init__(self, glb, sql, column_headers, parent=None):
super(SQLTableModel, self).__init__(parent)
self.glb = glb
self.more = True
self.populated = 0
self.fetcher = SQLFetcher(glb, sql, lambda x, y=column_count: SQLTableDataPrep(x, y), self.AddSample)
self.column_headers = column_headers
self.fetcher = SQLFetcher(glb, sql, lambda x, y=len(column_headers): SQLTableDataPrep(x, y), self.AddSample)
self.fetcher.done.connect(self.Update)
self.fetcher.Fetch(glb_chunk_sz)
@ -1864,6 +1865,12 @@ class SQLTableModel(TableModel):
def HasMoreRecords(self):
return self.more
def columnCount(self, parent=None):
return len(self.column_headers)
def columnHeader(self, column):
return self.column_headers[column]
# SQL automatic table data model
class SQLAutoTableModel(SQLTableModel):
@ -1873,12 +1880,12 @@ class SQLAutoTableModel(SQLTableModel):
if table_name == "comm_threads_view":
# For now, comm_threads_view has no id column
sql = "SELECT * FROM " + table_name + " WHERE comm_id > $$last_id$$ ORDER BY comm_id LIMIT " + str(glb_chunk_sz)
self.column_headers = []
column_headers = []
query = QSqlQuery(glb.db)
if glb.dbref.is_sqlite3:
QueryExec(query, "PRAGMA table_info(" + table_name + ")")
while query.next():
self.column_headers.append(query.value(1))
column_headers.append(query.value(1))
if table_name == "sqlite_master":
sql = "SELECT * FROM " + table_name
else:
@ -1891,14 +1898,8 @@ class SQLAutoTableModel(SQLTableModel):
schema = "public"
QueryExec(query, "SELECT column_name FROM information_schema.columns WHERE table_schema = '" + schema + "' and table_name = '" + select_table_name + "'")
while query.next():
self.column_headers.append(query.value(0))
super(SQLAutoTableModel, self).__init__(glb, sql, len(self.column_headers), parent)
def columnCount(self, parent=None):
return len(self.column_headers)
def columnHeader(self, column):
return self.column_headers[column]
column_headers.append(query.value(0))
super(SQLAutoTableModel, self).__init__(glb, sql, column_headers, parent)
# Base class for custom ResizeColumnsToContents