From 0af971b87e51917d944c3b7799507d6234ab49a7 Mon Sep 17 00:00:00 2001
From: Christoph Alt <christoph.alt@fau.de>
Date: Wed, 19 Oct 2022 15:42:01 +0200
Subject: [PATCH] moved queries to a common lib
---
common/__init__.py | 0
common/queries.py | 38 ++++++++++++++++++++++++++++++++++++++
2 files changed, 38 insertions(+)
create mode 100644 common/__init__.py
create mode 100644 common/queries.py
diff --git a/common/__init__.py b/common/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/common/queries.py b/common/queries.py
new file mode 100644
index 0000000..92667ab
--- /dev/null
+++ b/common/queries.py
@@ -0,0 +1,38 @@
+from dataclasses import dataclass, field
+from typing import List
+
+
+@dataclass
+class Query:
+ _from: str
+ _select: str = "*"
+ _where: str = ""
+ _group_by: List[str] = field(default_factory=list)
+
+ def __str__(self):
+
+ ret = f'SELECT \"{self._select}\" '
+ ret += f'FROM \"{self._from}\"'
+ if self._where:
+ ret += f' WHERE ({self._where}) AND $timeFilter'
+ else:
+ ret += ' WHERE $timeFilter'
+ if self._group_by:
+ group_by = ', '.join(f'"{tag}"' for tag in self._group_by)
+ ret += f' GROUP BY {group_by}'
+ return ret
+
+
+@dataclass
+class ShowTagQuery:
+ base = "SHOW TAG VALUES"
+
+ _key_name: str
+ _from: str = ""
+
+ def __str__(self):
+ from_part = ""
+ if self._from != "":
+ from_part = f'FROM "{self._from}" '
+
+ return f"{self.base} {from_part}WITH key = \"{self._key_name}\""
--
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