matchpoint config.circ_matrix_matchpoint%ROWTYPE;
weights config.circ_matrix_weights%ROWTYPE;
user_age INTERVAL;
- denominator INT;
+ denominator NUMERIC(6,2);
BEGIN
SELECT INTO user_object * FROM actor.usr WHERE id = match_user;
SELECT INTO item_object * FROM asset.copy WHERE id = match_item;
-- No weights? Bad admin! Defaults to handle that anyway.
IF weights.id IS NULL THEN
- weights.grp := 11;
- weights.org_unit := 10;
- weights.circ_modifier := 5;
- weights.marc_type := 4;
- weights.marc_form := 3;
- weights.marc_vr_format := 2;
- weights.copy_circ_lib := 8;
- weights.copy_owning_lib := 8;
- weights.user_home_ou := 8;
- weights.ref_flag := 1;
- weights.juvenile_flag := 6;
- weights.is_renewal := 7;
- weights.usr_age_lower_bound := 0;
- weights.usr_age_upper_bound := 0;
+ weights.grp := 11.0;
+ weights.org_unit := 10.0;
+ weights.circ_modifier := 5.0;
+ weights.marc_type := 4.0;
+ weights.marc_form := 3.0;
+ weights.marc_vr_format := 2.0;
+ weights.copy_circ_lib := 8.0;
+ weights.copy_owning_lib := 8.0;
+ weights.user_home_ou := 8.0;
+ weights.ref_flag := 1.0;
+ weights.juvenile_flag := 6.0;
+ weights.is_renewal := 7.0;
+ weights.usr_age_lower_bound := 0.0;
+ weights.usr_age_upper_bound := 0.0;
END IF;
-- Determine the max (expected) depth (+1) of the org tree and max depth of the permisson tree
AND (m.ref_flag IS NULL OR m.ref_flag = item_object.ref)
ORDER BY
-- Permission Groups
- CASE WHEN upgad.distance IS NOT NULL THEN 2^(2*weights.grp - (upgad.distance/denominator)) ELSE 0 END +
+ CASE WHEN upgad.distance IS NOT NULL THEN 2^(2*weights.grp - (upgad.distance/denominator)) ELSE 0.0 END +
-- Org Units
- CASE WHEN ctoua.distance IS NOT NULL THEN 2^(2*weights.org_unit - (ctoua.distance/denominator)) ELSE 0 END +
- CASE WHEN cnoua.distance IS NOT NULL THEN 2^(2*weights.copy_owning_lib - (cnoua.distance/denominator)) ELSE 0 END +
- CASE WHEN iooua.distance IS NOT NULL THEN 2^(2*weights.copy_circ_lib - (iooua.distance/denominator)) ELSE 0 END +
- CASE WHEN uhoua.distance IS NOT NULL THEN 2^(2*weights.user_home_ou - (uhoua.distance/denominator)) ELSE 0 END +
+ CASE WHEN ctoua.distance IS NOT NULL THEN 2^(2*weights.org_unit - (ctoua.distance/denominator)) ELSE 0.0 END +
+ CASE WHEN cnoua.distance IS NOT NULL THEN 2^(2*weights.copy_owning_lib - (cnoua.distance/denominator)) ELSE 0.0 END +
+ CASE WHEN iooua.distance IS NOT NULL THEN 2^(2*weights.copy_circ_lib - (iooua.distance/denominator)) ELSE 0.0 END +
+ CASE WHEN uhoua.distance IS NOT NULL THEN 2^(2*weights.user_home_ou - (uhoua.distance/denominator)) ELSE 0.0 END +
-- Circ Type -- Note: 4^x is equiv to 2^(2*x)
- CASE WHEN m.is_renewal IS NOT NULL THEN 4^weights.is_renewal ELSE 0 END +
+ CASE WHEN m.is_renewal IS NOT NULL THEN 4^weights.is_renewal ELSE 0.0 END +
-- Static User Checks
- CASE WHEN m.juvenile_flag IS NOT NULL THEN 4^weights.juvenile_flag ELSE 0 END +
- CASE WHEN m.usr_age_lower_bound IS NOT NULL THEN 4^weights.usr_age_lower_bound ELSE 0 END +
- CASE WHEN m.usr_age_upper_bound IS NOT NULL THEN 4^weights.usr_age_upper_bound ELSE 0 END +
+ CASE WHEN m.juvenile_flag IS NOT NULL THEN 4^weights.juvenile_flag ELSE 0.0 END +
+ CASE WHEN m.usr_age_lower_bound IS NOT NULL THEN 4^weights.usr_age_lower_bound ELSE 0.0 END +
+ CASE WHEN m.usr_age_upper_bound IS NOT NULL THEN 4^weights.usr_age_upper_bound ELSE 0.0 END +
-- Static Item Checks
- CASE WHEN m.circ_modifier IS NOT NULL THEN 4^weights.circ_modifier ELSE 0 END +
- CASE WHEN m.marc_type IS NOT NULL THEN 4^weights.marc_type ELSE 0 END +
- CASE WHEN m.marc_form IS NOT NULL THEN 4^weights.marc_form ELSE 0 END +
- CASE WHEN m.marc_vr_format IS NOT NULL THEN 4^weights.marc_vr_format ELSE 0 END +
- CASE WHEN m.ref_flag IS NOT NULL THEN 4^weights.ref_flag ELSE 0 END DESC,
+ CASE WHEN m.circ_modifier IS NOT NULL THEN 4^weights.circ_modifier ELSE 0.0 END +
+ CASE WHEN m.marc_type IS NOT NULL THEN 4^weights.marc_type ELSE 0.0 END +
+ CASE WHEN m.marc_form IS NOT NULL THEN 4^weights.marc_form ELSE 0.0 END +
+ CASE WHEN m.marc_vr_format IS NOT NULL THEN 4^weights.marc_vr_format ELSE 0.0 END +
+ CASE WHEN m.ref_flag IS NOT NULL THEN 4^weights.ref_flag ELSE 0.0 END DESC,
-- Final sort on id, so that if two rules have the same sorting in the previous sort they have a defined order
-- This prevents "we changed the table order by updating a rule, and we started getting different results"
m.id;
rec_descriptor metabib.rec_descriptor%ROWTYPE;
matchpoint config.hold_matrix_matchpoint%ROWTYPE;
weights config.hold_matrix_weights%ROWTYPE;
- denominator INT;
+ denominator NUMERIC(6,2);
BEGIN
SELECT INTO user_object * FROM actor.usr WHERE id = match_user;
SELECT INTO requestor_object * FROM actor.usr WHERE id = match_requestor;
-- No weights? Bad admin! Defaults to handle that anyway.
IF weights.id IS NULL THEN
- weights.user_home_ou := 5;
- weights.request_ou := 5;
- weights.pickup_ou := 5;
- weights.item_owning_ou := 5;
- weights.item_circ_ou := 5;
- weights.usr_grp := 7;
- weights.requestor_grp := 8;
- weights.circ_modifier := 4;
- weights.marc_type := 3;
- weights.marc_form := 2;
- weights.marc_vr_format := 1;
- weights.juvenile_flag := 4;
- weights.ref_flag := 0;
+ weights.user_home_ou := 5.0;
+ weights.request_ou := 5.0;
+ weights.pickup_ou := 5.0;
+ weights.item_owning_ou := 5.0;
+ weights.item_circ_ou := 5.0;
+ weights.usr_grp := 7.0;
+ weights.requestor_grp := 8.0;
+ weights.circ_modifier := 4.0;
+ weights.marc_type := 3.0;
+ weights.marc_form := 2.0;
+ weights.marc_vr_format := 1.0;
+ weights.juvenile_flag := 4.0;
+ weights.ref_flag := 0.0;
END IF;
-- Determine the max (expected) depth (+1) of the org tree and max depth of the permisson tree
AND (m.ref_flag IS NULL OR m.ref_flag = item_object.ref)
ORDER BY
-- Permission Groups
- CASE WHEN rpgad.distance IS NOT NULL THEN 2^(2*weights.requestor_grp - (rpgad.distance/denominator)) ELSE 0 END +
- CASE WHEN upgad.distance IS NOT NULL THEN 2^(2*weights.usr_grp - (upgad.distance/denominator)) ELSE 0 END +
+ CASE WHEN rpgad.distance IS NOT NULL THEN 2^(2*weights.requestor_grp - (rpgad.distance/denominator)) ELSE 0.0 END +
+ CASE WHEN upgad.distance IS NOT NULL THEN 2^(2*weights.usr_grp - (upgad.distance/denominator)) ELSE 0.0 END +
-- Org Units
- CASE WHEN puoua.distance IS NOT NULL THEN 2^(2*weights.pickup_ou - (puoua.distance/denominator)) ELSE 0 END +
- CASE WHEN rqoua.distance IS NOT NULL THEN 2^(2*weights.request_ou - (rqoua.distance/denominator)) ELSE 0 END +
- CASE WHEN cnoua.distance IS NOT NULL THEN 2^(2*weights.item_owning_ou - (cnoua.distance/denominator)) ELSE 0 END +
- CASE WHEN iooua.distance IS NOT NULL THEN 2^(2*weights.item_circ_ou - (iooua.distance/denominator)) ELSE 0 END +
- CASE WHEN uhoua.distance IS NOT NULL THEN 2^(2*weights.user_home_ou - (uhoua.distance/denominator)) ELSE 0 END +
+ CASE WHEN puoua.distance IS NOT NULL THEN 2^(2*weights.pickup_ou - (puoua.distance/denominator)) ELSE 0.0 END +
+ CASE WHEN rqoua.distance IS NOT NULL THEN 2^(2*weights.request_ou - (rqoua.distance/denominator)) ELSE 0.0 END +
+ CASE WHEN cnoua.distance IS NOT NULL THEN 2^(2*weights.item_owning_ou - (cnoua.distance/denominator)) ELSE 0.0 END +
+ CASE WHEN iooua.distance IS NOT NULL THEN 2^(2*weights.item_circ_ou - (iooua.distance/denominator)) ELSE 0.0 END +
+ CASE WHEN uhoua.distance IS NOT NULL THEN 2^(2*weights.user_home_ou - (uhoua.distance/denominator)) ELSE 0.0 END +
-- Static User Checks -- Note: 4^x is equiv to 2^(2*x)
- CASE WHEN m.juvenile_flag IS NOT NULL THEN 4^weights.juvenile_flag ELSE 0 END +
+ CASE WHEN m.juvenile_flag IS NOT NULL THEN 4^weights.juvenile_flag ELSE 0.0 END +
-- Static Item Checks
- CASE WHEN m.circ_modifier IS NOT NULL THEN 4^weights.circ_modifier ELSE 0 END +
- CASE WHEN m.marc_type IS NOT NULL THEN 4^weights.marc_type ELSE 0 END +
- CASE WHEN m.marc_form IS NOT NULL THEN 4^weights.marc_form ELSE 0 END +
- CASE WHEN m.marc_vr_format IS NOT NULL THEN 4^weights.marc_vr_format ELSE 0 END +
- CASE WHEN m.ref_flag IS NOT NULL THEN 4^weights.ref_flag ELSE 0 END DESC,
+ CASE WHEN m.circ_modifier IS NOT NULL THEN 4^weights.circ_modifier ELSE 0.0 END +
+ CASE WHEN m.marc_type IS NOT NULL THEN 4^weights.marc_type ELSE 0.0 END +
+ CASE WHEN m.marc_form IS NOT NULL THEN 4^weights.marc_form ELSE 0.0 END +
+ CASE WHEN m.marc_vr_format IS NOT NULL THEN 4^weights.marc_vr_format ELSE 0.0 END +
+ CASE WHEN m.ref_flag IS NOT NULL THEN 4^weights.ref_flag ELSE 0.0 END DESC,
-- Final sort on id, so that if two rules have the same sorting in the previous sort they have a defined order
-- This prevents "we changed the table order by updating a rule, and we started getting different results"
m.id;
--- /dev/null
+BEGIN;
+
+INSERT INTO config.upgrade_log (version) VALUES ('0483');
+
+CREATE OR REPLACE FUNCTION action.find_circ_matrix_matchpoint( context_ou INT, match_item BIGINT, match_user INT, renewal BOOL ) RETURNS config.circ_matrix_matchpoint AS $func$
+DECLARE
+ user_object actor.usr%ROWTYPE;
+ item_object asset.copy%ROWTYPE;
+ cn_object asset.call_number%ROWTYPE;
+ rec_descriptor metabib.rec_descriptor%ROWTYPE;
+ matchpoint config.circ_matrix_matchpoint%ROWTYPE;
+ weights config.circ_matrix_weights%ROWTYPE;
+ user_age INTERVAL;
+ denominator NUMERIC(6,2);
+BEGIN
+ SELECT INTO user_object * FROM actor.usr WHERE id = match_user;
+ SELECT INTO item_object * FROM asset.copy WHERE id = match_item;
+ SELECT INTO cn_object * FROM asset.call_number WHERE id = item_object.call_number;
+ SELECT INTO rec_descriptor * FROM metabib.rec_descriptor WHERE record = cn_object.record;
+
+ -- Pre-generate this so we only calc it once
+ IF user_object.dob IS NOT NULL THEN
+ SELECT INTO user_age age(user_object.dob);
+ END IF;
+
+ -- Grab the closest set circ weight setting.
+ SELECT INTO weights cw.*
+ FROM config.weight_assoc wa
+ JOIN config.circ_matrix_weights cw ON (cw.id = wa.circ_weights)
+ JOIN actor.org_unit_ancestors_distance( context_ou ) d ON (wa.org_unit = d.id)
+ WHERE active
+ ORDER BY d.distance
+ LIMIT 1;
+
+ -- No weights? Bad admin! Defaults to handle that anyway.
+ IF weights.id IS NULL THEN
+ weights.grp := 11.0;
+ weights.org_unit := 10.0;
+ weights.circ_modifier := 5.0;
+ weights.marc_type := 4.0;
+ weights.marc_form := 3.0;
+ weights.marc_vr_format := 2.0;
+ weights.copy_circ_lib := 8.0;
+ weights.copy_owning_lib := 8.0;
+ weights.user_home_ou := 8.0;
+ weights.ref_flag := 1.0;
+ weights.juvenile_flag := 6.0;
+ weights.is_renewal := 7.0;
+ weights.usr_age_lower_bound := 0.0;
+ weights.usr_age_upper_bound := 0.0;
+ END IF;
+
+ -- Determine the max (expected) depth (+1) of the org tree and max depth of the permisson tree
+ -- If you break your org tree with funky parenting this may be wrong
+ -- Note: This CTE is duplicated in the find_hold_matrix_matchpoint function, and it may be a good idea to split it off to a function
+ -- We use one denominator for all tree-based checks for when permission groups and org units have the same weighting
+ WITH all_distance(distance) AS (
+ SELECT depth AS distance FROM actor.org_unit_type
+ UNION
+ SELECT distance AS distance FROM permission.grp_ancestors_distance((SELECT id FROM permission.grp_tree WHERE parent IS NULL))
+ )
+ SELECT INTO denominator MAX(distance) + 1 FROM all_distance;
+
+ -- Select the winning matchpoint into the matchpoint variable for returning
+ SELECT INTO matchpoint m.*
+ FROM config.circ_matrix_matchpoint m
+ /*LEFT*/ JOIN permission.grp_ancestors_distance( user_object.profile ) upgad ON m.grp = upgad.id
+ /*LEFT*/ JOIN actor.org_unit_ancestors_distance( context_ou ) ctoua ON m.org_unit = ctoua.id
+ LEFT JOIN actor.org_unit_ancestors_distance( cn_object.owning_lib ) cnoua ON m.copy_owning_lib = cnoua.id
+ LEFT JOIN actor.org_unit_ancestors_distance( item_object.circ_lib ) iooua ON m.copy_circ_lib = iooua.id
+ LEFT JOIN actor.org_unit_ancestors_distance( user_object.home_ou ) uhoua ON m.user_home_ou = uhoua.id
+ WHERE m.active
+ -- Permission Groups
+ -- AND (m.grp IS NULL OR upgad.id IS NOT NULL) -- Optional Permission Group?
+ -- Org Units
+ -- AND (m.org_unit IS NULL OR ctoua.id IS NOT NULL) -- Optional Org Unit?
+ AND (m.copy_owning_lib IS NULL OR cnoua.id IS NOT NULL)
+ AND (m.copy_circ_lib IS NULL OR iooua.id IS NOT NULL)
+ AND (m.user_home_ou IS NULL OR uhoua.id IS NOT NULL)
+ -- Circ Type
+ AND (m.is_renewal IS NULL OR m.is_renewal = renewal)
+ -- Static User Checks
+ AND (m.juvenile_flag IS NULL OR m.juvenile_flag = user_object.juvenile)
+ AND (m.usr_age_lower_bound IS NULL OR (user_age IS NOT NULL AND m.usr_age_lower_bound < user_age))
+ AND (m.usr_age_upper_bound IS NULL OR (user_age IS NOT NULL AND m.usr_age_upper_bound > user_age))
+ -- Static Item Checks
+ AND (m.circ_modifier IS NULL OR m.circ_modifier = item_object.circ_modifier)
+ AND (m.marc_type IS NULL OR m.marc_type = COALESCE(item_object.circ_as_type, rec_descriptor.item_type))
+ AND (m.marc_form IS NULL OR m.marc_form = rec_descriptor.item_form)
+ AND (m.marc_vr_format IS NULL OR m.marc_vr_format = rec_descriptor.vr_format)
+ AND (m.ref_flag IS NULL OR m.ref_flag = item_object.ref)
+ ORDER BY
+ -- Permission Groups
+ CASE WHEN upgad.distance IS NOT NULL THEN 2^(2*weights.grp - (upgad.distance/denominator)) ELSE 0.0 END +
+ -- Org Units
+ CASE WHEN ctoua.distance IS NOT NULL THEN 2^(2*weights.org_unit - (ctoua.distance/denominator)) ELSE 0.0 END +
+ CASE WHEN cnoua.distance IS NOT NULL THEN 2^(2*weights.copy_owning_lib - (cnoua.distance/denominator)) ELSE 0.0 END +
+ CASE WHEN iooua.distance IS NOT NULL THEN 2^(2*weights.copy_circ_lib - (iooua.distance/denominator)) ELSE 0.0 END +
+ CASE WHEN uhoua.distance IS NOT NULL THEN 2^(2*weights.user_home_ou - (uhoua.distance/denominator)) ELSE 0.0 END +
+ -- Circ Type -- Note: 4^x is equiv to 2^(2*x)
+ CASE WHEN m.is_renewal IS NOT NULL THEN 4^weights.is_renewal ELSE 0.0 END +
+ -- Static User Checks
+ CASE WHEN m.juvenile_flag IS NOT NULL THEN 4^weights.juvenile_flag ELSE 0.0 END +
+ CASE WHEN m.usr_age_lower_bound IS NOT NULL THEN 4^weights.usr_age_lower_bound ELSE 0.0 END +
+ CASE WHEN m.usr_age_upper_bound IS NOT NULL THEN 4^weights.usr_age_upper_bound ELSE 0.0 END +
+ -- Static Item Checks
+ CASE WHEN m.circ_modifier IS NOT NULL THEN 4^weights.circ_modifier ELSE 0.0 END +
+ CASE WHEN m.marc_type IS NOT NULL THEN 4^weights.marc_type ELSE 0.0 END +
+ CASE WHEN m.marc_form IS NOT NULL THEN 4^weights.marc_form ELSE 0.0 END +
+ CASE WHEN m.marc_vr_format IS NOT NULL THEN 4^weights.marc_vr_format ELSE 0.0 END +
+ CASE WHEN m.ref_flag IS NOT NULL THEN 4^weights.ref_flag ELSE 0.0 END DESC,
+ -- Final sort on id, so that if two rules have the same sorting in the previous sort they have a defined order
+ -- This prevents "we changed the table order by updating a rule, and we started getting different results"
+ m.id;
+
+ -- Return the entire matchpoint
+ RETURN matchpoint;
+END;
+$func$ LANGUAGE plpgsql;
+
+CREATE OR REPLACE FUNCTION action.find_hold_matrix_matchpoint(pickup_ou integer, request_ou integer, match_item bigint, match_user integer, match_requestor integer)
+ RETURNS integer AS
+$func$
+DECLARE
+ requestor_object actor.usr%ROWTYPE;
+ user_object actor.usr%ROWTYPE;
+ item_object asset.copy%ROWTYPE;
+ item_cn_object asset.call_number%ROWTYPE;
+ rec_descriptor metabib.rec_descriptor%ROWTYPE;
+ matchpoint config.hold_matrix_matchpoint%ROWTYPE;
+ weights config.hold_matrix_weights%ROWTYPE;
+ denominator NUMERIC(6,2);
+BEGIN
+ SELECT INTO user_object * FROM actor.usr WHERE id = match_user;
+ SELECT INTO requestor_object * FROM actor.usr WHERE id = match_requestor;
+ SELECT INTO item_object * FROM asset.copy WHERE id = match_item;
+ SELECT INTO item_cn_object * FROM asset.call_number WHERE id = item_object.call_number;
+ SELECT INTO rec_descriptor * FROM metabib.rec_descriptor WHERE record = item_cn_object.record;
+
+ -- The item's owner should probably be the one determining if the item is holdable
+ -- How to decide that is debatable. Decided to default to the circ library (where the item lives)
+ -- This flag will allow for setting it to the owning library (where the call number "lives")
+ PERFORM * FROM config.internal_flag WHERE name = 'circ.holds.weight_owner_not_circ' AND enabled;
+
+ -- Grab the closest set circ weight setting.
+ IF NOT FOUND THEN
+ -- Default to circ library
+ SELECT INTO weights hw.*
+ FROM config.weight_assoc wa
+ JOIN config.hold_matrix_weights hw ON (hw.id = wa.hold_weights)
+ JOIN actor.org_unit_ancestors_distance( item_object.circ_lib ) d ON (wa.org_unit = d.id)
+ WHERE active
+ ORDER BY d.distance
+ LIMIT 1;
+ ELSE
+ -- Flag is set, use owning library
+ SELECT INTO weights hw.*
+ FROM config.weight_assoc wa
+ JOIN config.hold_matrix_weights hw ON (hw.id = wa.hold_weights)
+ JOIN actor.org_unit_ancestors_distance( cn_object.owning_lib ) d ON (wa.org_unit = d.id)
+ WHERE active
+ ORDER BY d.distance
+ LIMIT 1;
+ END IF;
+
+ -- No weights? Bad admin! Defaults to handle that anyway.
+ IF weights.id IS NULL THEN
+ weights.user_home_ou := 5.0;
+ weights.request_ou := 5.0;
+ weights.pickup_ou := 5.0;
+ weights.item_owning_ou := 5.0;
+ weights.item_circ_ou := 5.0;
+ weights.usr_grp := 7.0;
+ weights.requestor_grp := 8.0;
+ weights.circ_modifier := 4.0;
+ weights.marc_type := 3.0;
+ weights.marc_form := 2.0;
+ weights.marc_vr_format := 1.0;
+ weights.juvenile_flag := 4.0;
+ weights.ref_flag := 0.0;
+ END IF;
+
+ -- Determine the max (expected) depth (+1) of the org tree and max depth of the permisson tree
+ -- If you break your org tree with funky parenting this may be wrong
+ -- Note: This CTE is duplicated in the find_circ_matrix_matchpoint function, and it may be a good idea to split it off to a function
+ -- We use one denominator for all tree-based checks for when permission groups and org units have the same weighting
+ WITH all_distance(distance) AS (
+ SELECT depth AS distance FROM actor.org_unit_type
+ UNION
+ SELECT distance AS distance FROM permission.grp_ancestors_distance((SELECT id FROM permission.grp_tree WHERE parent IS NULL))
+ )
+ SELECT INTO denominator MAX(distance) + 1 FROM all_distance;
+
+ -- To ATTEMPT to make this work like it used to, make it reverse the user/requestor profile ids.
+ -- This may be better implemented as part of the upgrade script?
+ -- Set usr_grp = requestor_grp, requestor_grp = 1 or something when this flag is already set
+ -- Then remove this flag, of course.
+ PERFORM * FROM config.internal_flag WHERE name = 'circ.holds.usr_not_requestor' AND enabled;
+
+ IF FOUND THEN
+ -- Note: This, to me, is REALLY hacky. I put it in anyway.
+ -- If you can't tell, this is a single call swap on two variables.
+ SELECT INTO user_object.profile, requestor_object.profile
+ requestor_object.profile, user_object.profile;
+ END IF;
+
+ -- Select the winning matchpoint into the matchpoint variable for returning
+ SELECT INTO matchpoint m.*
+ FROM config.hold_matrix_matchpoint m
+ /*LEFT*/ JOIN permission.grp_ancestors_distance( requestor_object.profile ) rpgad ON m.requestor_grp = rpgad.id
+ LEFT JOIN permission.grp_ancestors_distance( user_object.profile ) upgad ON m.usr_grp = upgad.id
+ LEFT JOIN actor.org_unit_ancestors_distance( pickup_ou ) puoua ON m.pickup_ou = puoua.id
+ LEFT JOIN actor.org_unit_ancestors_distance( request_ou ) rqoua ON m.request_ou = rqoua.id
+ LEFT JOIN actor.org_unit_ancestors_distance( item_cn_object.owning_lib ) cnoua ON m.item_owning_ou = cnoua.id
+ LEFT JOIN actor.org_unit_ancestors_distance( item_object.circ_lib ) iooua ON m.item_circ_ou = iooua.id
+ LEFT JOIN actor.org_unit_ancestors_distance( user_object.home_ou ) uhoua ON m.user_home_ou = uhoua.id
+ WHERE m.active
+ -- Permission Groups
+ -- AND (m.requestor_grp IS NULL OR upgad.id IS NOT NULL) -- Optional Requestor Group?
+ AND (m.usr_grp IS NULL OR upgad.id IS NOT NULL)
+ -- Org Units
+ AND (m.pickup_ou IS NULL OR (puoua.id IS NOT NULL AND (puoua.distance = 0 OR NOT m.strict_ou_match)))
+ AND (m.request_ou IS NULL OR (rqoua.id IS NOT NULL AND (rqoua.distance = 0 OR NOT m.strict_ou_match)))
+ AND (m.item_owning_ou IS NULL OR (cnoua.id IS NOT NULL AND (cnoua.distance = 0 OR NOT m.strict_ou_match)))
+ AND (m.item_circ_ou IS NULL OR (iooua.id IS NOT NULL AND (iooua.distance = 0 OR NOT m.strict_ou_match)))
+ AND (m.user_home_ou IS NULL OR (uhoua.id IS NOT NULL AND (uhoua.distance = 0 OR NOT m.strict_ou_match)))
+ -- Static User Checks
+ AND (m.juvenile_flag IS NULL OR m.juvenile_flag = user_object.juvenile)
+ -- Static Item Checks
+ AND (m.circ_modifier IS NULL OR m.circ_modifier = item_object.circ_modifier)
+ AND (m.marc_type IS NULL OR m.marc_type = COALESCE(item_object.circ_as_type, rec_descriptor.item_type))
+ AND (m.marc_form IS NULL OR m.marc_form = rec_descriptor.item_form)
+ AND (m.marc_vr_format IS NULL OR m.marc_vr_format = rec_descriptor.vr_format)
+ AND (m.ref_flag IS NULL OR m.ref_flag = item_object.ref)
+ ORDER BY
+ -- Permission Groups
+ CASE WHEN rpgad.distance IS NOT NULL THEN 2^(2*weights.requestor_grp - (rpgad.distance/denominator)) ELSE 0.0 END +
+ CASE WHEN upgad.distance IS NOT NULL THEN 2^(2*weights.usr_grp - (upgad.distance/denominator)) ELSE 0.0 END +
+ -- Org Units
+ CASE WHEN puoua.distance IS NOT NULL THEN 2^(2*weights.pickup_ou - (puoua.distance/denominator)) ELSE 0.0 END +
+ CASE WHEN rqoua.distance IS NOT NULL THEN 2^(2*weights.request_ou - (rqoua.distance/denominator)) ELSE 0.0 END +
+ CASE WHEN cnoua.distance IS NOT NULL THEN 2^(2*weights.item_owning_ou - (cnoua.distance/denominator)) ELSE 0.0 END +
+ CASE WHEN iooua.distance IS NOT NULL THEN 2^(2*weights.item_circ_ou - (iooua.distance/denominator)) ELSE 0.0 END +
+ CASE WHEN uhoua.distance IS NOT NULL THEN 2^(2*weights.user_home_ou - (uhoua.distance/denominator)) ELSE 0.0 END +
+ -- Static User Checks -- Note: 4^x is equiv to 2^(2*x)
+ CASE WHEN m.juvenile_flag IS NOT NULL THEN 4^weights.juvenile_flag ELSE 0.0 END +
+ -- Static Item Checks
+ CASE WHEN m.circ_modifier IS NOT NULL THEN 4^weights.circ_modifier ELSE 0.0 END +
+ CASE WHEN m.marc_type IS NOT NULL THEN 4^weights.marc_type ELSE 0.0 END +
+ CASE WHEN m.marc_form IS NOT NULL THEN 4^weights.marc_form ELSE 0.0 END +
+ CASE WHEN m.marc_vr_format IS NOT NULL THEN 4^weights.marc_vr_format ELSE 0.0 END +
+ CASE WHEN m.ref_flag IS NOT NULL THEN 4^weights.ref_flag ELSE 0.0 END DESC,
+ -- Final sort on id, so that if two rules have the same sorting in the previous sort they have a defined order
+ -- This prevents "we changed the table order by updating a rule, and we started getting different results"
+ m.id;
+
+ -- Return just the ID for now
+ RETURN matchpoint.id;
+END;
+$func$ LANGUAGE 'plpgsql';
+
+COMMIT;