Re: Indexing on JSONB field not working

Finally got stats on the new table assets_copy. Still don’t know what’s the magic. I have 2 indexes in this new table, only this one got stats.

The stats looks the same as the column stats.

Zhihong

select * from pg_stats where tablename='jsonb_float_value_idx';
-[ RECORD 1 ]----------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
schemaname | public
tablename | jsonb_float_value_idx
attname | float8
inherited | f
null_frac | 0
avg_width | 8
n_distinct | -1
most_common_vals |
most_common_freqs |
histogram_bounds | {11.9074247777462,9841.89659357071,20004.3972581625,30086.5592435002,40730.0088554621,50593.008287251,58767.0910172164,67316.9470392168,77683.9102618396,88379.8920549452,98935.4504272342,109736.490063369,120142.996311188,129663.615487516,139033.944346011,149255.915079266,159277.160651982,168800.76052621,178707.448765635,190234.981942922,200536.492280662,209703.133907169,220037.896186113,230601.808056235,239625.298418105,249577.831011266,259359.933435917,269170.144107193,279207.427985966,289696.279447526,299808.374606073,309782.688505948,319680.196698755,329276.353120804,339375.476818532,349651.550408453,359881.41130656,369298.731908202,380326.490849257,390578.283462673,400972.062721848,411068.622488528,420153.666753322,430431.842803955,439484.844449908,449541.503563523,459902.50306204,469946.910161525,481110.869906843,491827.534046024,501586.132217199,511425.472330302,522126.020863652,532380.575779825,542049.761861563,552384.272217751,562474.489212036,573650.59107542,584696.998354048,594522.320665419,604293.577373028,614212.908316404,623957.396950573,634345.385245979,644869.87143755,654195.504263043,664599.217940122,674438.172951341,683769.1613473,693582.618143409,702202.791813761,712556.770537049,721915.236674249,733364.793937653,743519.58045736,753806.136548519,763560.635503381,772320.672404021,781465.635169297,790334.59816128,801681.783981621,812449.718359858,821786.699350923,832279.333844781,841624.361462891,851525.46595782,861103.327944875,871528.446674347,880865.939892828,889850.093051791,899233.678821474,909849.165473133,919194.979593158,928674.942348152,939167.145173997,949835.113249719,959980.852901936,969834.96658504,979897.553101182,990309.921558946,999946.910422295}
correlation | 0.00552317
most_common_elems |
most_common_elem_freqs |
elem_count_histogram |