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add skip_existing_tables flag #470

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add skip_existing_tables flag #470

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11 changes: 11 additions & 0 deletions src/lua/oltp_common.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -68,6 +68,9 @@ sysbench.cmdline.options = {
{"Use a secondary index in place of the PRIMARY KEY", false},
create_secondary =
{"Create a secondary index in addition to the PRIMARY KEY", true},
skip_existing_tables =
{"If a table already exists during prepare, " ..
"skip and assume it has enough rows", true},
reconnect =
{"Reconnect after every N events. The default (0) is to not reconnect",
0},
Expand Down Expand Up @@ -160,6 +163,14 @@ function create_table(drv, con, table_num)
local extra_table_options = ""
local query

if sysbench.opt.skip_existing_tables then
rs = con:query("SHOW TABLE STATUS like 'sbtest" .. table_num .. "'")
if rs.nrows >= 1 then
print(string.format("Skipping create table 'sbtest%d'...", table_num))
return
end
end

if sysbench.opt.secondary then
id_index_def = "KEY xid"
else
Expand Down