5eadceca31963e84a392322f81d94d6fa727ed51
angie
  Mon Jun 3 12:53:04 2013 -0700
Changing the type of strand to match fullBed.as so bedToBigBed willaccept this as 'bed 6 + ' autoSql.

diff --git src/hg/lib/snp132Ext.as src/hg/lib/snp132Ext.as
index a988158..d809207 100644
--- src/hg/lib/snp132Ext.as
+++ src/hg/lib/snp132Ext.as
@@ -1,30 +1,30 @@
 table snp132Ext
 "Polymorphism data from dbSNP"
     (
     string   chrom;      "Reference sequence chromosome or scaffold"
     uint     chromStart; "Start position in chrom"
     uint     chromEnd;   "End position in chrom"
     string   name;       "dbSNP Reference SNP (rs) identifier"
     uint     score;      "Not used"
-    string   strand;     "Which DNA strand contains the observed alleles"
+    char[1]  strand;     "Which DNA strand contains the observed alleles"
     lstring  refNCBI;  	 "Reference genomic sequence from dbSNP"
     lstring  refUCSC;    "Reference genomic sequence from UCSC lookup of chrom,chromStart,chromEnd"
     string   observed;   "The sequences of the observed alleles from rs-fasta files"
     string   molType;    "Sample type from exemplar submitted SNPs (ss)"
     string   class;      "Class of variant (single, in-del, named, mixed, etc.)"
     string   valid;      "Validation status of the SNP"
     float    avHet;      "Average heterozygosity from all observations.  Note: may be computed on small number of samples."
     float    avHetSE;    "Standard Error for the average heterozygosity"
     string   func;       "Functional category of the SNP (coding-synon, coding-nonsynon, intron, etc.)"
     string   locType;    "Type of mapping inferred from size on reference; may not agree with class"
     uint     weight;     "The quality of the alignment: 1 = unique mapping, 2 = non-unique, 3 = many matches"
     
     lstring  exceptions; "Unusual conditions noted by UCSC that may indicate a problem with the data"
     int      submitterCount; "Number of distinct submitter handles for submitted SNPs for this ref SNP"
     string[submitterCount] submitters; "List of submitter handles"
     int      alleleFreqCount; "Number of observed alleles with frequency data"
     string[alleleFreqCount] alleles; "Observed alleles for which frequency data are available"
     float[alleleFreqCount] alleleNs; "Count of chromosomes (2N) on which each allele was observed. Note: this is extrapolated by dbSNP from submitted frequencies and total sample 2N, and is not always an integer."
     float[alleleFreqCount] alleleFreqs; "Allele frequencies"
     string    bitfields; "SNP attributes extracted from dbSNP's SNP_bitfield table"
     )