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authorKim Alvefur <zash@zash.se>2019-05-30 23:50:28 +0200
committerKim Alvefur <zash@zash.se>2019-05-30 23:50:28 +0200
commitc2576aea62e6567c7690a17e1c33d8256f683899 (patch)
treed0ed5a6abf5647a948acc7bc34f6af37806115d6 /util
parentcabd5216b4de1471e62f4b859b634863e6ea2512 (diff)
downloadprosody-c2576aea62e6567c7690a17e1c33d8256f683899.tar.gz
prosody-c2576aea62e6567c7690a17e1c33d8256f683899.zip
util.sql: Ignore if tables and indices already exist on creation (fixes #1064)
Tested with SQLite3 3.16.2 and 3.27.2 and Postgres 11. MySQL does not support IF NOT EXISTS for indices so not handled here.
Diffstat (limited to 'util')
-rw-r--r--util/sql.lua6
1 files changed, 6 insertions, 0 deletions
diff --git a/util/sql.lua b/util/sql.lua
index 47900102..00c7b57f 100644
--- a/util/sql.lua
+++ b/util/sql.lua
@@ -238,6 +238,9 @@ function engine:transaction(...)
end
function engine:_create_index(index)
local sql = "CREATE INDEX \""..index.name.."\" ON \""..index.table.."\" (";
+ if self.params.driver ~= "MySQL" then
+ sql = sql:gsub("^CREATE INDEX", "%1 IF NOT EXISTS");
+ end
for i=1,#index do
sql = sql.."\""..index[i].."\"";
if i ~= #index then sql = sql..", "; end
@@ -256,6 +259,9 @@ function engine:_create_index(index)
end
function engine:_create_table(table)
local sql = "CREATE TABLE \""..table.name.."\" (";
+ do
+ sql = sql:gsub("^CREATE TABLE", "%1 IF NOT EXISTS");
+ end
for i,col in ipairs(table.c) do
local col_type = col.type;
if col_type == "MEDIUMTEXT" and self.params.driver ~= "MySQL" then