Import the link information into an extra table
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parent
95412bc834
commit
e8094cbc68
29
lib/db.py
29
lib/db.py
@ -46,7 +46,8 @@ class DB:
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def create_tables(self):
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"""Create the tables if not existing - assumes connected"""
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commands = (
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schemes = dict()
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schemes[1] = (
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"""
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CREATE TABLE scheme (
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id SERIAL PRIMARY KEY,
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@ -54,7 +55,7 @@ class DB:
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)
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""",
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"INSERT INTO scheme (version) VALUES(1)",
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""" DROP TABLE IF EXISTS revisions""",
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"""DROP TABLE IF EXISTS revisions """,
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""" CREATE TABLE revisions (
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id SERIAL PRIMARY KEY,
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project VARCHAR(255) NOT NULL,
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@ -71,14 +72,32 @@ class DB:
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CREATE UNIQUE INDEX ppr ON revisions (project, package, rev);
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""",
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)
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schemes[2] = (
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"""DROP TABLE IF EXISTS links""",
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"""
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CREATE TABLE links (
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id SERIAL PRIMARY KEY,
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revision_id INTEGER,
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project VARCHAR(255) NOT NULL,
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package VARCHAR(255) NOT NULL
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)
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""",
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"""
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UPDATE scheme SET version=2
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""",
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)
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if self.schema_version() > 0:
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schema_version = self.schema_version()
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if (schema_version + 1) not in schemes:
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return
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try:
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cur = self.conn.cursor()
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# create table one by one
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for command in commands:
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cur.execute(command)
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for version, commands in schemes.items():
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if version <= schema_version:
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continue
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for command in commands:
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cur.execute(command)
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# close communication with the PostgreSQL database server
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cur.close()
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# commit the changes
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@ -14,8 +14,12 @@ class DBRevision:
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) = row
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def links_to(self, db, project, package):
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pass
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db.cursor().execute(
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"INSERT INTO links (revision_id, project, package) VALUES (%s,%s,%s)",
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(self.dbid, project, package),
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)
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print("links_to", project, package)
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@classmethod
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def import_obs_rev(cls, db, revision):
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cur = db.cursor()
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@ -41,7 +45,7 @@ class DBRevision:
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cur = db.cursor()
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cur.execute(
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"SELECT * FROM revisions where project=%s and package=%s and rev=%s",
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(project, package, rev),
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(project, package, str(rev)),
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)
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row = cur.fetchone()
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cur.close()
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