Major temp table conversion (merge branch dev, closes #17)

.gitignore

@@ -6,3 +6,4 @@
 *.log
 *.docx
 instruct-trigger-manual.txt
+*.png

advanced/instruct-graph.dot

@@ -0,0 +1,13 @@
+graph {
+
+INSTRUCT -- Clinical
+INSTRUCT -- Data
+Data[label="Data", style=filled, color=black, fontcolor=white]
+Data -- EPRP
+SQL[label="SQL\ne-triggers"]
+Data -- SQL
+cp[label="Change\npackage"]
+etc[label="etc..."]
+Clinical -- cp
+Clinical -- etc
+}

advanced/makefile

@@ -1,4 +1,4 @@
-pdfs = Fobt.pdf Lung.pdf Triggers-Overview.pdf
+pdfs = Fobt.pdf Lung.pdf Triggers-Overview.pdf instruct-graph.png
 mod_sql = HCC_altered.sql IDA_altered.sql
 manual = instruct-trigger-manual.pdf instruct-trigger-manual.docx instruct-trigger-manual.txt
 
@@ -30,6 +30,9 @@ Triggers-Overview.pdf : Triggers-Overview.md
 %_altered.sql : ../unmodified/%.sql transform.py
 	python transform.py $< > $@
 
+%.png: %.dot
+	dot -Tpng -o $@ $<
+
 .PHONY : clean
 
 clean :

advanced/transform_temptables.py

@@ -0,0 +1,30 @@
+# usage:
+# Go to root directory of this repo.
+
+# python ./advanced/transform_temptables.py Lung.sql > Lung_tt.sql
+
+# ... and then do diff or move Lung_tt and Fobt_tt to overwrite
+# Lung.sql and Fobt.sql. This is not incorporated into makefile at
+# present, because it's designed to run once and only once, and then
+# git commit the result.
+
+import sys
+import re
+assert sys.version_info.major >= 3
+
+fh = open(sys.argv[1])
+mydb_backref = re.compile("\[MyDB\]\.\[MySchema\]\.\[?(\w+)\]?", re.IGNORECASE)
+#                              [MyDB].[MySchema].[table_name]
+
+for L in fh.read().splitlines():
+    comment = ''
+    m = mydb_backref.search(L)
+    if m:
+        table_name = m.group(1)
+        if 'OBJECT_ID' in L:
+            comment = ' --altered (object_id temp table)'
+            L = mydb_backref.sub('tempdb.dbo.#' + table_name, L)
+        else:
+            comment = ' --altered (temp table)'
+            L = mydb_backref.sub('#' + table_name, L)
+    print(L + comment)