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| author | Kim Alvefur <zash@zash.se> | 2019-05-30 23:50:28 +0200 |
|---|---|---|
| committer | Kim Alvefur <zash@zash.se> | 2019-05-30 23:50:28 +0200 |
| commit | d324c430553c7470211b44cb5f3e9cded7c53228 (patch) | |
| tree | d0ed5a6abf5647a948acc7bc34f6af37806115d6 | |
| parent | 71bdfa72d8ce993ede0ac595c8e78404758e3546 (diff) | |
| download | prosody-d324c430553c7470211b44cb5f3e9cded7c53228.tar.gz prosody-d324c430553c7470211b44cb5f3e9cded7c53228.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.
| -rw-r--r-- | util/sql.lua | 6 |
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 |