Re: speeding up a join query that utilizes a view - Mailing list pgsql-general
| From | Kirk Wythers |
|---|---|
| Subject | Re: speeding up a join query that utilizes a view |
| Date | |
| Msg-id | E56192EF-16C8-42AE-AC43-E4B7D3F55805@umn.edu Whole thread Raw |
| In response to | Re: speeding up a join query that utilizes a view (Igor Neyman <ineyman@perceptron.com>) |
| Responses |
Re: speeding up a join query that utilizes a view
(Igor Neyman <ineyman@perceptron.com>)
|
| List | pgsql-general |
>
> Not enough information:
>
> Postgres version?
> OS?
> Some Postgres configuration parameters, specifically related to "RESOURCE USAGE" and " QUERY TUNING"?
> Table structures (including indexes) for: fifteen_min_stacked_propper, fifteen_min, and data_key?
> View definition for fifteen_min_stacked_view?
>
Here is some additional information:
b4warmed3=# \d data_key
Table "public.data_key"
Column | Type | Modifiers
----------------------+-----------------------+------------------------------------------
site | character varying(6) |
canopy | character varying(24) |
block | character(2) |
plot | character(2) |
measurement_interval | interval |
warming_treatment | character varying(24) |
treatment_code | character varying(24) |
treatment_abbr | character varying(24) |
water_treatment | character varying(24) |
block_name | character varying(24) |
variable_name | character varying(24) |
variable_channel | character varying(24) |
variable_id | character varying(24) | not null default NULL::character varying
Indexes:
"data_key_pkey" PRIMARY KEY, btree (variable_id)
"data_key_lower_idx" btree (lower(block_name::text))
"data_key_lower_idx1" btree (lower(variable_channel::text))
b4warmed3=# SELECT COUNT(*) FROM data_key;
count
-------
4728
(1 row)
b4warmed3=# \d fifteen_min
Table "public.fifteen_min"
Column | Type | Modifiers
---------------------+-----------------------------+-----------
rowid | character varying(48) | not null
time2 | timestamp without time zone |
timestamp | timestamp without time zone |
block_name | character varying(8) |
stat_name | character varying(8) |
table_name | character varying(10) |
program | character varying(48) |
a_dc_avg1 | real |
a_dc_avg2 | real |
a_dc_avg3 | real |
a_dc_avg4 | real |
a_dif_avg1 | real |
a_dif_avg2 | real |
a_dif_avg3 | real |
a_dif_avg4 | real |
a_targettemp_avg1 | real |
a_targettemp_avg2 | real |
a_targettemp_avg3 | real |
a_targettemp_avg4 | real |
a_targettemp_avg5 | real |
a_targettemp_avg6 | real |
a_targettemp_avg7 | real |
a_targettemp_avg8 | real |
a_tc_avg1 | real |
a_tc_avg10 | real |
a_tc_avg11 | real |
a_tc_avg12 | real |
a_tc_avg2 | real |
a_tc_avg3 | real |
a_tc_avg4 | real |
a_tc_avg5 | real |
a_tc_avg6 | real |
a_tc_avg7 | real |
a_tc_avg8 | real |
a_tc_avg9 | real |
a_tc_std1 | real |
a_tc_std10 | real |
a_tc_std11 | real |
a_tc_std12 | real |
a_tc_std2 | real |
a_tc_std3 | real |
a_tc_std4 | real |
a_tc_std5 | real |
a_tc_std6 | real |
a_tc_std7 | real |
a_tc_std8 | real |
a_tc_std9 | real |
airtc_avg | real |
airtemp_avg | real |
airtemp_max | real |
airtemp_min | real |
all_avgt | real |
am25tref1 | real |
amb_a_avg | real |
amb_avg1 | real |
amb_avg2 | real |
amb_closed_avg | real |
b_dc_avg1 | real |
b_dc_avg2 | real |
b_dc_avg3 | real |
b_dc_avg4 | real |
batt_volt | real |
etcref_avg | real |
flag1 | integer |
flag10 | integer |
flag11 | integer |
flag12 | integer |
flag2 | integer |
flag3 | integer |
flag4 | integer |
flag5 | integer |
flag6 | integer |
flag7 | integer |
flag8 | integer |
flag9 | integer |
heat_a_avg1 | real |
heat_a_avg2 | real |
heat_a_avg3 | real |
heat_a_avg4 | real |
pid_lmt_avg1 | real |
pid_lmt_avg2 | real |
pid_lmt_avg3 | real |
pid_lmt_avg4 | real |
pid_out_avg1 | real |
pid_out_avg2 | real |
pid_out_avg3 | real |
pid_out_avg4 | real |
ptemp_avg | real |
rh | real |
runavga1 | real |
runavga2 | real |
runavga21 | real |
runavga22 | real |
runavga23 | real |
runavga24 | real |
runavga25 | real |
runavga26 | real |
runavga27 | real |
runavga28 | real |
runavga3 | real |
runavga4 | real |
runavga5 | real |
runavga6 | real |
runavga7 | real |
runavga8 | real |
runavgs_avg1 | real |
runavgs_avg10 | real |
runavgs_avg11 | real |
runavgs_avg12 | real |
runavgs_avg13 | real |
runavgs_avg14 | real |
runavgs_avg15 | real |
runavgs_avg16 | real |
runavgs_avg2 | real |
runavgs_avg3 | real |
runavgs_avg4 | real |
runavgs_avg5 | real |
runavgs_avg6 | real |
runavgs_avg7 | real |
runavgs_avg8 | real |
runavgs_avg9 | real |
s_all_avgt_avg | real |
s_dif1 | real |
s_dif2 | real |
s_dif3 | real |
s_dif4 | real |
s_pid_lmt_avg1 | real |
s_pid_lmt_avg2 | real |
s_pid_lmt_avg3 | real |
s_pid_lmt_avg4 | real |
s_pid_out_avg1 | real |
s_pid_out_avg2 | real |
s_pid_out_avg3 | real |
s_pid_out_avg4 | real |
s_scldout_avg1 | real |
s_scldout_avg2 | real |
s_scldout_avg3 | real |
s_scldout_avg4 | real |
s_sdm_out_avg1 | real |
s_sdm_out_avg2 | real |
s_sdm_out_avg3 | real |
s_sdm_out_avg4 | real |
s_tc_avg1 | real |
s_tc_avg10 | real |
s_tc_avg11 | real |
s_tc_avg12 | real |
s_tc_avg2 | real |
s_tc_avg3 | real |
s_tc_avg4 | real |
s_tc_avg5 | real |
s_tc_avg6 | real |
s_tc_avg7 | real |
s_tc_avg8 | real |
s_tc_avg9 | real |
s_tc_std1 | real |
s_tc_std10 | real |
s_tc_std11 | real |
s_tc_std12 | real |
s_tc_std2 | real |
s_tc_std3 | real |
s_tc_std4 | real |
s_tc_std5 | real |
s_tc_std6 | real |
s_tc_std7 | real |
s_tc_std8 | real |
s_tc_std9 | real |
sbtemp_avg1 | real |
sbtemp_avg2 | real |
sbtemp_avg3 | real |
sbtemp_avg4 | real |
sbtemp_avg5 | real |
sbtemp_avg6 | real |
sbtemp_avg7 | real |
sbtemp_avg8 | real |
scldout_avg1 | real |
scldout_avg2 | real |
scldout_avg3 | real |
scldout_avg4 | real |
sctemp_avg1 | real |
sctemp_avg10 | real |
sctemp_avg11 | real |
sctemp_avg12 | real |
sctemp_avg13 | real |
sctemp_avg14 | real |
sctemp_avg15 | real |
sctemp_avg16 | real |
sctemp_avg17 | real |
sctemp_avg18 | real |
sctemp_avg19 | real |
sctemp_avg2 | real |
sctemp_avg20 | real |
sctemp_avg21 | real |
sctemp_avg22 | real |
sctemp_avg23 | real |
sctemp_avg24 | real |
sctemp_avg3 | real |
sctemp_avg4 | real |
sctemp_avg5 | real |
sctemp_avg6 | real |
sctemp_avg7 | real |
sctemp_avg8 | real |
sctemp_avg9 | real |
sdm_out_avg1 | real |
sdm_out_avg2 | real |
sdm_out_avg3 | real |
sdm_out_avg4 | real |
stemp_avg1 | real |
stemp_avg10 | real |
stemp_avg11 | real |
stemp_avg12 | real |
stemp_avg13 | real |
stemp_avg14 | real |
stemp_avg15 | real |
stemp_avg16 | real |
stemp_avg2 | real |
stemp_avg3 | real |
stemp_avg4 | real |
stemp_avg5 | real |
stemp_avg6 | real |
stemp_avg7 | real |
stemp_avg8 | real |
stemp_avg9 | real |
tabove_avg1 | real |
tabove_avg2 | real |
tabove_avg3 | real |
tabove_avg4 | real |
tabove_avg5 | real |
tabove_avg6 | real |
tabove_avg7 | real |
tabove_avg8 | real |
targettemp_adj_avg1 | real |
targettemp_adj_avg2 | real |
targettemp_adj_avg3 | real |
targettemp_adj_avg4 | real |
targettemp_avg1 | real |
targettemp_avg2 | real |
targettemp_avg3 | real |
targettemp_avg4 | real |
targettemp_avg5 | real |
targettemp_avg6 | real |
targettemp_avg7 | real |
targettemp_avg8 | real |
tmv_avg1 | real |
tmv_avg2 | real |
tmv_avg3 | real |
tmv_avg4 | real |
tmv_avg5 | real |
tmv_avg6 | real |
tmv_avg7 | real |
tmv_avg8 | real |
tsoil_avg1 | real |
tsoil_avg2 | real |
tsoil_avg3 | real |
tsoil_avg4 | real |
tsoil_avg5 | real |
tsoil_avg6 | real |
tsoil_avg7 | real |
tsoil_avg8 | real |
tsoilr1 | real |
tsoilr2 | real |
tsoilr3 | real |
tsoilr4 | real |
tsoilr5 | real |
tsoilr6 | real |
tsoilr7 | real |
tsoilr8 | real |
vp_avg | real |
winddir_d1_wvt | real |
ws_ms_avg | real |
wtcref_avg | real |
Indexes:
"fifteen_min_pkey" PRIMARY KEY, btree (rowid)
"fifteen_min_lower_idx" btree (lower(block_name::text))
b4warmed3=# SELECT COUNT(*) FROM fifteen_min;
count
---------
1798711
(1 row)
b4warmed3=# \d fifteen_min_stacked_propper
View "public.fifteen_min_stacked_propper"
Column | Type | Modifiers
----------------+-----------------------------+-----------
rowid | character varying(48) |
time2 | timestamp without time zone |
block_name | character varying(8) |
table_name | character varying(10) |
batt_volt | real |
flag1 | integer |
flag2 | integer |
flag3 | integer |
airtc_avg | real |
airtemp_avg | real |
airtemp_max | real |
airtemp_min | real |
all_avgt | real |
am25tref1 | real |
ptemp_avg | real |
rh | real |
s_all_avgt_avg | real |
vp_avg | real |
winddir_d1_wvt | real |
ws_ms_avg | real |
variable | text |
value | real |
b4warmed3=# SELECT COUNT(*) FROM fifteen_min_stacked_propper;
count
-----------
428093218
(1 row)
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