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migrator/prosody_sql.lua: Create (and upgrade) MySQL tables to use MEDIUMTEXT for the 'value' column to avoid truncation

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This commit is contained in:
Matthew Wild 2011-06-03 00:57:25 +01:00
parent aded9653e0
commit 27bc9300b8
1 changed files with 18 additions and 0 deletions
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18
tools/migration/migrator/prosody_sql.lua
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@ -21,6 +21,8 @@ local function create_table(connection, params)
local create_sql = "CREATE TABLE `prosody` (`host` TEXT, `user` TEXT, `store` TEXT, `key` TEXT, `type` TEXT, `value` TEXT);";
if params.driver == "PostgreSQL" then
create_sql = create_sql:gsub("`", "\"");
elseif params.driver == "MySQL" then
create_sql = create_sql:gsub("`value` TEXT", "`value` MEDIUMTEXT");
end
local stmt = connection:prepare(create_sql);
@ -40,6 +42,22 @@ local function create_table(connection, params)
ok, err = assert(stmt:execute());
commit_ok, commit_err = assert(connection:commit());
end
else -- COMPAT: Upgrade tables from 0.8.0
-- Failed to create, but check existing MySQL table here
local stmt = connection:prepare("SHOW COLUMNS FROM prosody WHERE Field='value' and Type='text'");
local ok = stmt:execute();
local commit_ok = connection:commit();
if ok and commit_ok then
if stmt:rowcount() > 0 then
local stmt = connection:prepare("ALTER TABLE prosody MODIFY COLUMN `value` MEDIUMTEXT");
local ok = stmt:execute();
local commit_ok = connection:commit();
if ok and commit_ok then
print("Database table automatically upgraded");
end
end
repeat until not stmt:fetch();
end
end
end
end