set enable_seqscan = on;
SET VARIABLE
vpm=> explain verbose select * from symbol_data where symbol_name='ELTE';
NOTICE:  QUERY DUMP:

{ SEQSCAN :startup_cost 0.00 :total_cost 707611.68 :rows 355958 :width 129 :qptargetlist ({ TARGETENTRY :resdom { RESDOM :resno 1 :restype 1043 :restypmod 14 :resname symbol_name :reskey 0 :reskeyop 0 :ressortgroupref 0 :resjunk false } :expr { VAR :varno 1 :varattno 1 :vartype 1043 :vartypmod 14  :varlevelsup 0 :varnoold 1 :varoattno 1}} { TARGETENTRY :resdom { RESDOM :resno 2 :restype 1082 :restypmod -1 :resname date :reskey 0 :reskeyop 0 :ressortgroupref 0 :resjunk false } :expr { VAR :varno 1 :varattno 2 :vartype 1082 :vartypmod -1  :varlevelsup 0 :varnoold 1 :varoattno 2}} { TARGETENTRY :resdom { RESDOM :resno 3 :restype 1700 :restypmod 983047 :resname open :reskey 0 :reskeyop 0 :ressortgroupref 0 :resjunk false } :expr { VAR :varno 1 :varattno 3 :vartype 1700 :vartypmod 983047  :varlevelsup 0 :varnoold 1 :varoattno 3}} { TARGETENTRY :resdom { RESDOM :resno 4 :restype 1700 :restypmod 983047 :resname high :reskey 0 :reskeyop 0 :ressortgroupref 0 :resjunk false } :expr { VAR :varno 1 :varattno 4 :vartype 1700 :vartypmod 983047  :varlevelsup 0 :varnoold 1 :varoattno 4}} { TARGETENTRY :resdom { RESDOM :resno 5 :restype 1700 :restypmod 983047 :resname low :reskey 0 :reskeyop 0 :ressortgroupref 0 :resjunk false } :expr { VAR :varno 1 :varattno 5 :vartype 1700 :vartypmod 983047  :varlevelsup 0 :varnoold 1 :varoattno 5}} { TARGETENTRY :resdom { RESDOM :resno 6 :restype 1700 :restypmod 983047 :resname d_close :reskey 0 :reskeyop 0 :ressortgroupref 0 :resjunk false } :expr { VAR :varno 1 :varattno 6 :vartype 1700 :vartypmod 983047  :varlevelsup 0 :varnoold 1 :varoattno 6}} { TARGETENTRY :resdom { RESDOM :resno 7 :restype 1700 :restypmod 983044 :resname volume :reskey 0 :reskeyop 0 :ressortgroupref 0 :resjunk false } :expr { VAR :varno 1 :varattno 7 :vartype 1700 :vartypmod 983044  :varlevelsup 0 :varnoold 1 :varoattno 7}} { TARGETENTRY :resdom { RESDOM :resno 8 :restype 1700 :restypmod 983047 :resname earnings :reskey 0 :reskeyop 0 :ressortgroupref 0 :resjunk false } :expr { VAR :varno 1 :varattno 8 :vartype 1700 :vartypmod 983047  :varlevelsup 0 :varnoold 1 :varoattno 8}} { TARGETENTRY :resdom { RESDOM :resno 9 :restype 1700 :restypmod 983047 :resname dividend :reskey 0 :reskeyop 0 :ressortgroupref 0 :resjunk false } :expr { VAR :varno 1 :varattno 9 :vartype 1700 :vartypmod 983047  :varlevelsup 0 :varnoold 1 :varoattno 9}} { TARGETENTRY :resdom { RESDOM :resno 10 :restype 1043 :restypmod 54 :resname source :reskey 0 :reskeyop 0 :ressortgroupref 0 :resjunk false } :expr { VAR :varno 1 :varattno 10 :vartype 1043 :vartypmod 54  :varlevelsup 0 :varnoold 1 :varoattno 10}} { TARGETENTRY :resdom { RESDOM :resno 11 :restype 1042 :restypmod 7 :resname daily_mp_12a_long :reskey 0 :reskeyop 0 :ressortgroupref 0 :resjunk false } :expr { VAR :varno 1 :varattno 11 :vartype 1042 :vartypmod 7  :varlevelsup 0 :varnoold 1 :varoattno 11}} { TARGETENTRY :resdom { RESDOM :resno 12 :restype 1042 :restypmod 7 :resname weekly_mp_12a_long :reskey 0 :reskeyop 0 :ressortgroupref 0 :resjunk false } :expr { VAR :varno 1 :varattno 12 :vartype 1042 :vartypmod 7  :varlevelsup 0 :varnoold 1 :varoattno 12}} { TARGETENTRY :resdom { RESDOM :resno 13 :restype 1042 :restypmod 7 :resname daily_mp_32a_long :reskey 0 :reskeyop 0 :ressortgroupref 0 :resjunk false } :expr { VAR :varno 1 :varattno 13 :vartype 1042 :vartypmod 7  :varlevelsup 0 :varnoold 1 :varoattno 13}} { TARGETENTRY :resdom { RESDOM :resno 14 :restype 1042 :restypmod 7 :resname weekly_mp_32a_long :reskey 0 :reskeyop 0 :ressortgroupref 0 :resjunk false } :expr { VAR :varno 1 :varattno 14 :vartype 1042 :vartypmod 7  :varlevelsup 0 :varnoold 1 :varoattno 14}}) :qpqual ({ EXPR :typeOid 16  :opType op :oper { OPER :opno 1062 :opid 1070 :opresulttype 16 } :args ({ VAR :varno 1 :varattno 1 :vartype 1043 :vartypmod 14  :varlevelsup 0 :varnoold 1 :varoattno 1} { CONST :consttype 1043 :constlen -1 :constbyval false :constisnull false :constvalue  8 [ 8 0 0 0 69 76 84 69 ] })})

NOTICE:  QUERY PLAN:

Seq Scan on symbol_data  (cost=0.00..707611.68 rows=355958 width=129)