SET extra_float_digits=0;
CREATE INDEX fpidx ON pgbfp USING gist (f);
CREATE INDEX maccsfpidx ON pgbfp USING gist (maccsf);
SET rdkit.tanimoto_threshold = 0.5;
SET rdkit.dice_threshold = 0.6;
SET enable_indexscan=off;
SET enable_bitmapscan=off;
SET enable_seqscan=on;
SELECT
    id, tanimoto_sml(rdkit_fp('O=C1CC(OC2=CC=CC=C12)C1=CC=CC=C1'::mol), f) AS sml
FROM
	pgbfp
WHERE rdkit_fp('O=C1CC(OC2=CC=CC=C12)C1=CC=CC=C1'::mol) % f
ORDER BY sml DESC, id limit 10;
 id | sml 
----+-----
(0 rows)

SELECT
    id, dice_sml(rdkit_fp('O=C1CC(OC2=CC=CC=C12)C1=CC=CC=C1'::mol), f) AS sml
FROM
	pgbfp
WHERE rdkit_fp('O=C1CC(OC2=CC=CC=C12)C1=CC=CC=C1'::mol) # f
ORDER BY sml DESC, id limit 10;
   id   |        sml        
--------+-------------------
 698576 | 0.604972375690608
(1 row)

SELECT
    id, tanimoto_sml(maccs_fp('O=C1CC(OC2=CC=CC=C12)C1=CC=CC=C1'::mol), maccsf) AS sml
FROM
	pgbfp
WHERE maccs_fp('O=C1CC(OC2=CC=CC=C12)C1=CC=CC=C1'::mol) % maccsf
ORDER BY sml DESC, id limit 10;
    id    |        sml        
----------+-------------------
  2055076 | 0.740740740740741
  5281628 |           0.65625
 10560368 | 0.571428571428571
   755497 | 0.527777777777778
   718644 | 0.526315789473684
   902176 | 0.516129032258065
   687554 |               0.5
  1380883 |               0.5
(8 rows)

SET enable_indexscan=on;
SET enable_bitmapscan=on;
SET enable_seqscan=off;
SELECT
    id, tanimoto_sml(rdkit_fp('O=C1CC(OC2=CC=CC=C12)C1=CC=CC=C1'::mol), f) AS sml
FROM
	pgbfp
WHERE rdkit_fp('O=C1CC(OC2=CC=CC=C12)C1=CC=CC=C1'::mol) % f
ORDER BY sml DESC, id limit 10;
 id | sml 
----+-----
(0 rows)

SELECT
    id, dice_sml(rdkit_fp('O=C1CC(OC2=CC=CC=C12)C1=CC=CC=C1'::mol), f) AS sml
FROM
	pgbfp
WHERE rdkit_fp('O=C1CC(OC2=CC=CC=C12)C1=CC=CC=C1'::mol) # f
ORDER BY sml DESC, id limit 10;
   id   |        sml        
--------+-------------------
 698576 | 0.604972375690608
(1 row)

SELECT
    id, tanimoto_sml(maccs_fp('O=C1CC(OC2=CC=CC=C12)C1=CC=CC=C1'::mol), maccsf) AS sml
FROM
	pgbfp
WHERE maccs_fp('O=C1CC(OC2=CC=CC=C12)C1=CC=CC=C1'::mol) % maccsf
ORDER BY sml DESC, id limit 10;
    id    |        sml        
----------+-------------------
  2055076 | 0.740740740740741
  5281628 |           0.65625
 10560368 | 0.571428571428571
   755497 | 0.527777777777778
   718644 | 0.526315789473684
   902176 | 0.516129032258065
   687554 |               0.5
  1380883 |               0.5
(8 rows)

SET enable_indexscan=on;
SET enable_bitmapscan=on;
SET enable_seqscan=on;
SELECT
    id, tanimoto_sml(rdkit_fp('O=C1CC(OC2=CC=CC=C12)C1=CC=CC=C1'::mol), f) AS sml
FROM
	pgbfp
WHERE rdkit_fp('O=C1CC(OC2=CC=CC=C12)C1=CC=CC=C1'::mol) % f
ORDER BY rdkit_fp('O=C1CC(OC2=CC=CC=C12)C1=CC=CC=C1'::mol) <%> f,id limit 10;
 id | sml 
----+-----
(0 rows)

SELECT
    id, tanimoto_sml(maccs_fp('O=C1CC(OC2=CC=CC=C12)C1=CC=CC=C1'::mol), maccsf) AS sml
FROM
	pgbfp
WHERE maccs_fp('O=C1CC(OC2=CC=CC=C12)C1=CC=CC=C1'::mol) % maccsf
ORDER BY sml DESC, id limit 10;
    id    |        sml        
----------+-------------------
  2055076 | 0.740740740740741
  5281628 |           0.65625
 10560368 | 0.571428571428571
   755497 | 0.527777777777778
   718644 | 0.526315789473684
   902176 | 0.516129032258065
   687554 |               0.5
  1380883 |               0.5
(8 rows)

DROP INDEX fpidx;
DROP INDEX maccsfpidx;
