function to pull possible tcn values out of a bib xml record

git-svn-id: svn://svn.open-ils.org/ILS/trunk@15849 dcc99617-32d9-48b4-a31d-7c20da2025e4

diff --git a/Open-ILS/src/sql/Pg/002.schema.config.sql b/Open-ILS/src/sql/Pg/002.schema.config.sql
index e9229fb..51ab7f0 100644 (file)
--- a/Open-ILS/src/sql/Pg/002.schema.config.sql
+++ b/Open-ILS/src/sql/Pg/002.schema.config.sql
@@ -51,7 +51,7 @@ CREATE TABLE config.upgrade_log (
     install_date    TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW()
 );
 
-INSERT INTO config.upgrade_log (version) VALUES ('0195'); -- miker
+INSERT INTO config.upgrade_log (version) VALUES ('0196'); -- miker
 
 CREATE TABLE config.bib_source (
        id              SERIAL  PRIMARY KEY,

diff --git a/Open-ILS/src/sql/Pg/012.schema.vandelay.sql b/Open-ILS/src/sql/Pg/012.schema.vandelay.sql
index f663588..b9f0edf 100644 (file)
--- a/Open-ILS/src/sql/Pg/012.schema.vandelay.sql
+++ b/Open-ILS/src/sql/Pg/012.schema.vandelay.sql
@@ -141,6 +141,168 @@ CREATE TABLE vandelay.merge_profile (
        CONSTRAINT add_replace_strip_or_preserve CHECK ((preserve_spec IS NOT NULL OR replace_spec IS NOT NULL) OR (preserve_spec IS NULL AND replace_spec IS NULL))
 );
 
+
+CREATE TYPE vandelay.tcn_data AS (tcn TEXT, tcn_source TEXT, used BOOL);
+CREATE OR REPLACE FUNCTION vandelay.find_bib_tcn_data ( xml TEXT ) RETURNS SETOF vandelay.tcn_data AS $_$
+DECLARE
+    eg_tcn          TEXT;
+    eg_tcn_source   TEXT;
+    output          vandelay.tcn_data%ROWTYPE;
+BEGIN
+
+    -- 001/003
+    eg_tcn := BTRIM((oils_xpath('//*[@tag="001"]/text()',xml))[1]);
+    IF eg_tcn IS NOT NULL AND eg_tcn <> '' THEN
+
+        eg_tcn_source := BTRIM((oils_xpath('//*[@tag="003"]/text()',xml))[1]);
+        IF eg_tcn_source IS NULL OR eg_tcn_source = '' THEN
+            eg_tcn_source := 'System Local';
+        END IF;
+
+        PERFORM id FROM biblio.record_entry WHERE tcn_value = eg_tcn  AND NOT deleted;
+
+        IF NOT FOUND THEN
+            output.used := FALSE;
+        ELSE
+            output.used := TRUE;
+        END IF;
+
+        output.tcn := eg_tcn;
+        output.tcn_source := eg_tcn_source;
+        RETURN NEXT output;
+
+    END IF;
+
+    -- 901 ab
+    eg_tcn := BTRIM((oils_xpath('//*[@tag="901"]/*[@code="a"]/text()',xml))[1]);
+    IF eg_tcn IS NOT NULL AND eg_tcn <> '' THEN
+
+        eg_tcn_source := BTRIM((oils_xpath('//*[@tag="901"]/*[@code="b"]/text()',xml))[1]);
+        IF eg_tcn_source IS NULL OR eg_tcn_source = '' THEN
+            eg_tcn_source := 'System Local';
+        END IF;
+
+        PERFORM id FROM biblio.record_entry WHERE tcn_value = eg_tcn  AND NOT deleted;
+
+        IF NOT FOUND THEN
+            output.used := FALSE;
+        ELSE
+            output.used := TRUE;
+        END IF;
+
+        output.tcn := eg_tcn;
+        output.tcn_source := eg_tcn_source;
+        RETURN NEXT output;
+
+    END IF;
+
+    -- 039 ab
+    eg_tcn := BTRIM((oils_xpath('//*[@tag="039"]/*[@code="a"]/text()',xml))[1]);
+    IF eg_tcn IS NOT NULL AND eg_tcn <> '' THEN
+
+        eg_tcn_source := BTRIM((oils_xpath('//*[@tag="039"]/*[@code="b"]/text()',xml))[1]);
+        IF eg_tcn_source IS NULL OR eg_tcn_source = '' THEN
+            eg_tcn_source := 'System Local';
+        END IF;
+
+        PERFORM id FROM biblio.record_entry WHERE tcn_value = eg_tcn  AND NOT deleted;
+
+        IF NOT FOUND THEN
+            output.used := FALSE;
+        ELSE
+            output.used := TRUE;
+        END IF;
+
+        output.tcn := eg_tcn;
+        output.tcn_source := eg_tcn_source;
+        RETURN NEXT output;
+
+    END IF;
+
+    -- 020 a
+    eg_tcn := REGEXP_REPLACE((oils_xpath('//*[@tag="020"]/*[@code="a"]/text()',xml))[1], $re$^(\w+).*?$$re$, $re$\1$re$);
+    IF eg_tcn IS NOT NULL AND eg_tcn <> '' THEN
+
+        eg_tcn_source := 'ISBN';
+
+        PERFORM id FROM biblio.record_entry WHERE tcn_value = eg_tcn  AND NOT deleted;
+
+        IF NOT FOUND THEN
+            output.used := FALSE;
+        ELSE
+            output.used := TRUE;
+        END IF;
+
+        output.tcn := eg_tcn;
+        output.tcn_source := eg_tcn_source;
+        RETURN NEXT output;
+
+    END IF;
+
+    -- 022 a
+    eg_tcn := REGEXP_REPLACE((oils_xpath('//*[@tag="022"]/*[@code="a"]/text()',xml))[1], $re$^(\w+).*?$$re$, $re$\1$re$);
+    IF eg_tcn IS NOT NULL AND eg_tcn <> '' THEN
+
+        eg_tcn_source := 'ISSN';
+
+        PERFORM id FROM biblio.record_entry WHERE tcn_value = eg_tcn  AND NOT deleted;
+
+        IF NOT FOUND THEN
+            output.used := FALSE;
+        ELSE
+            output.used := TRUE;
+        END IF;
+
+        output.tcn := eg_tcn;
+        output.tcn_source := eg_tcn_source;
+        RETURN NEXT output;
+
+    END IF;
+
+    -- 010 a
+    eg_tcn := REGEXP_REPLACE((oils_xpath('//*[@tag="010"]/*[@code="a"]/text()',xml))[1], $re$^(\w+).*?$$re$, $re$\1$re$);
+    IF eg_tcn IS NOT NULL AND eg_tcn <> '' THEN
+
+        eg_tcn_source := 'LCCN';
+
+        PERFORM id FROM biblio.record_entry WHERE tcn_value = eg_tcn  AND NOT deleted;
+
+        IF NOT FOUND THEN
+            output.used := FALSE;
+        ELSE
+            output.used := TRUE;
+        END IF;
+
+        output.tcn := eg_tcn;
+        output.tcn_source := eg_tcn_source;
+        RETURN NEXT output;
+
+    END IF;
+
+    -- 035 a
+    eg_tcn := REGEXP_REPLACE((oils_xpath('//*[@tag="035"]/*[@code="a"]/text()',xml))[1], $re$^.*?(\w+)$$re$, $re$\1$re$);
+    IF eg_tcn IS NOT NULL AND eg_tcn <> '' THEN
+
+        eg_tcn_source := 'System Legacy';
+
+        PERFORM id FROM biblio.record_entry WHERE tcn_value = eg_tcn  AND NOT deleted;
+
+        IF NOT FOUND THEN
+            output.used := FALSE;
+        ELSE
+            output.used := TRUE;
+        END IF;
+
+        output.tcn := eg_tcn;
+        output.tcn_source := eg_tcn_source;
+        RETURN NEXT output;
+
+    END IF;
+
+    RETURN;
+END;
+$_$ LANGUAGE PLPGSQL;
+
 CREATE OR REPLACE FUNCTION vandelay.add_field ( target_xml TEXT, source_xml TEXT, field TEXT ) RETURNS TEXT AS $_$
 
     use MARC::Record;

diff --git a/Open-ILS/src/sql/Pg/upgrade/0196.schema.vandelay.bib-tcn-extraction-function.sql b/Open-ILS/src/sql/Pg/upgrade/0196.schema.vandelay.bib-tcn-extraction-function.sql
new file mode 100644 (file)
index 0000000..6b2c465
--- /dev/null
+++ b/Open-ILS/src/sql/Pg/upgrade/0196.schema.vandelay.bib-tcn-extraction-function.sql
@@ -0,0 +1,168 @@
+
+BEGIN;
+
+INSERT INTO config.upgrade_log (version) VALUES ('0196'); -- miker
+
+CREATE TYPE vandelay.tcn_data AS (tcn TEXT, tcn_source TEXT, used BOOL);
+CREATE OR REPLACE FUNCTION vandelay.find_bib_tcn_data ( xml TEXT ) RETURNS SETOF vandelay.tcn_data AS $_$
+DECLARE
+    eg_tcn          TEXT;
+    eg_tcn_source   TEXT;
+    output          vandelay.tcn_data%ROWTYPE;
+BEGIN
+
+    -- 001/003
+    eg_tcn := BTRIM((oils_xpath('//*[@tag="001"]/text()',xml))[1]);
+    IF eg_tcn IS NOT NULL AND eg_tcn <> '' THEN
+
+        eg_tcn_source := BTRIM((oils_xpath('//*[@tag="003"]/text()',xml))[1]);
+        IF eg_tcn_source IS NULL OR eg_tcn_source = '' THEN
+            eg_tcn_source := 'System Local';
+        END IF;
+
+        PERFORM id FROM biblio.record_entry WHERE tcn_value = eg_tcn  AND NOT deleted;
+
+        IF NOT FOUND THEN
+            output.used := FALSE;
+        ELSE
+            output.used := TRUE;
+        END IF;
+
+        output.tcn := eg_tcn;
+        output.tcn_source := eg_tcn_source;
+        RETURN NEXT output;
+
+    END IF;
+
+    -- 901 ab
+    eg_tcn := BTRIM((oils_xpath('//*[@tag="901"]/*[@code="a"]/text()',xml))[1]);
+    IF eg_tcn IS NOT NULL AND eg_tcn <> '' THEN
+
+        eg_tcn_source := BTRIM((oils_xpath('//*[@tag="901"]/*[@code="b"]/text()',xml))[1]);
+        IF eg_tcn_source IS NULL OR eg_tcn_source = '' THEN
+            eg_tcn_source := 'System Local';
+        END IF;
+
+        PERFORM id FROM biblio.record_entry WHERE tcn_value = eg_tcn  AND NOT deleted;
+
+        IF NOT FOUND THEN
+            output.used := FALSE;
+        ELSE
+            output.used := TRUE;
+        END IF;
+
+        output.tcn := eg_tcn;
+        output.tcn_source := eg_tcn_source;
+        RETURN NEXT output;
+
+    END IF;
+
+    -- 039 ab
+    eg_tcn := BTRIM((oils_xpath('//*[@tag="039"]/*[@code="a"]/text()',xml))[1]);
+    IF eg_tcn IS NOT NULL AND eg_tcn <> '' THEN
+
+        eg_tcn_source := BTRIM((oils_xpath('//*[@tag="039"]/*[@code="b"]/text()',xml))[1]);
+        IF eg_tcn_source IS NULL OR eg_tcn_source = '' THEN
+            eg_tcn_source := 'System Local';
+        END IF;
+
+        PERFORM id FROM biblio.record_entry WHERE tcn_value = eg_tcn  AND NOT deleted;
+
+        IF NOT FOUND THEN
+            output.used := FALSE;
+        ELSE
+            output.used := TRUE;
+        END IF;
+
+        output.tcn := eg_tcn;
+        output.tcn_source := eg_tcn_source;
+        RETURN NEXT output;
+
+    END IF;
+
+    -- 020 a
+    eg_tcn := REGEXP_REPLACE((oils_xpath('//*[@tag="020"]/*[@code="a"]/text()',xml))[1], $re$^(\w+).*?$$re$, $re$\1$re$);
+    IF eg_tcn IS NOT NULL AND eg_tcn <> '' THEN
+
+        eg_tcn_source := 'ISBN';
+
+        PERFORM id FROM biblio.record_entry WHERE tcn_value = eg_tcn  AND NOT deleted;
+
+        IF NOT FOUND THEN
+            output.used := FALSE;
+        ELSE
+            output.used := TRUE;
+        END IF;
+
+        output.tcn := eg_tcn;
+        output.tcn_source := eg_tcn_source;
+        RETURN NEXT output;
+
+    END IF;
+
+    -- 022 a
+    eg_tcn := REGEXP_REPLACE((oils_xpath('//*[@tag="022"]/*[@code="a"]/text()',xml))[1], $re$^(\w+).*?$$re$, $re$\1$re$);
+    IF eg_tcn IS NOT NULL AND eg_tcn <> '' THEN
+
+        eg_tcn_source := 'ISSN';
+
+        PERFORM id FROM biblio.record_entry WHERE tcn_value = eg_tcn  AND NOT deleted;
+
+        IF NOT FOUND THEN
+            output.used := FALSE;
+        ELSE
+            output.used := TRUE;
+        END IF;
+
+        output.tcn := eg_tcn;
+        output.tcn_source := eg_tcn_source;
+        RETURN NEXT output;
+
+    END IF;
+
+    -- 010 a
+    eg_tcn := REGEXP_REPLACE((oils_xpath('//*[@tag="010"]/*[@code="a"]/text()',xml))[1], $re$^(\w+).*?$$re$, $re$\1$re$);
+    IF eg_tcn IS NOT NULL AND eg_tcn <> '' THEN
+
+        eg_tcn_source := 'LCCN';
+
+        PERFORM id FROM biblio.record_entry WHERE tcn_value = eg_tcn  AND NOT deleted;
+
+        IF NOT FOUND THEN
+            output.used := FALSE;
+        ELSE
+            output.used := TRUE;
+        END IF;
+
+        output.tcn := eg_tcn;
+        output.tcn_source := eg_tcn_source;
+        RETURN NEXT output;
+
+    END IF;
+
+    -- 035 a
+    eg_tcn := REGEXP_REPLACE((oils_xpath('//*[@tag="035"]/*[@code="a"]/text()',xml))[1], $re$^.*?(\w+)$$re$, $re$\1$re$);
+    IF eg_tcn IS NOT NULL AND eg_tcn <> '' THEN
+
+        eg_tcn_source := 'System Legacy';
+
+        PERFORM id FROM biblio.record_entry WHERE tcn_value = eg_tcn  AND NOT deleted;
+
+        IF NOT FOUND THEN
+            output.used := FALSE;
+        ELSE
+            output.used := TRUE;
+        END IF;
+
+        output.tcn := eg_tcn;
+        output.tcn_source := eg_tcn_source;
+        RETURN NEXT output;
+
+    END IF;
+
+    RETURN;
+END;
+$_$ LANGUAGE PLPGSQL;
+
+COMMIT;
+