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out_pgsql: Add support for CockroachDB #2512

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merged 1 commit into from
Sep 24, 2020
Merged

out_pgsql: Add support for CockroachDB #2512

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14 changes: 10 additions & 4 deletions plugins/out_pgsql/pgsql.c
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Original file line number Diff line number Diff line change
Expand Up @@ -159,6 +159,15 @@ static int cb_pgsql_init(struct flb_output_instance *ins,
ctx->max_pool_size = 1;
}

/* CockroachDB Support */
tmp = flb_output_get_property("cockroachdb", ins);
if (tmp && flb_utils_bool(tmp)) {
ctx->cockroachdb = FLB_TRUE;
}
else {
ctx->cockroachdb = FLB_FALSE;
}

ret = pgsql_start_connections(ctx);
if (ret) {
return -1;
Expand Down Expand Up @@ -315,10 +324,7 @@ static void cb_pgsql_flush(const void *data, size_t bytes,


snprintf(query, str_len,
"INSERT INTO %s "
"SELECT %s, "
"to_timestamp(CAST(value->>'%s' as FLOAT)), * "
"FROM json_array_elements(%s);",
ctx->cockroachdb ? FLB_PGSQL_INSERT_COCKROACH : FLB_PGSQL_INSERT,
ctx->db_table, tag_escaped, ctx->timestamp_key, json);
flb_plg_trace(ctx->ins, "query: %s", query);

Expand Down
11 changes: 11 additions & 0 deletions plugins/out_pgsql/pgsql.h
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Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,14 @@
#define FLB_PGSQL_POOL_SIZE 4
#define FLB_PGSQL_MIN_POOL_SIZE 1
#define FLB_PGSQL_SYNC FLB_FALSE
#define FLB_PGSQL_COCKROACH FLB_FALSE

#define FLB_PGSQL_INSERT "INSERT INTO %s SELECT %s, " \
"to_timestamp(CAST(value->>'%s' as FLOAT))," \
" * FROM json_array_elements(%s);"
#define FLB_PGSQL_INSERT_COCKROACH "INSERT INTO %s SELECT %s," \
"CAST(value->>'%s' AS INTERVAL) + DATE'1970-01-01'," \
" * FROM json_array_elements(%s);"

struct flb_pgsql_conn {
struct mk_list _head;
Expand Down Expand Up @@ -70,6 +78,9 @@ struct flb_pgsql_config {

/* async mode or sync mode */
int async;

/* cockroachdb */
int cockroachdb;
};

void pgsql_conf_destroy(struct flb_pgsql_config *ctx);
Expand Down